Academic literature on the topic 'Rock crab'

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Journal articles on the topic "Rock crab"

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Miller, R. J., and J. T. Addison. "Trapping interactions of crabs and American lobster in laboratory tanks." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 2 (1995): 315–24. http://dx.doi.org/10.1139/f95-032.

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The relationship between trap catches of decapods and their abundance is not well established. Because it is difficult to manipulate density in the field, laboratory tanks were used to examine 10 hypotheses about the intra- and interspecific interactions of rock crab (Cancer irroratus), green crab (Carcinus maenas), and American lobster (Homarus americanus). The proportion of rock crabs captured did not differ among high, medium, and low densities, but the proportion captured was reduced at high densities for both green crabs and lobsters. Additional experiments demonstrated that large green a
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Krupp, E. C. "Crab Supernova Rock Art." Journal of Skyscape Archaeology 1, no. 2 (2015): 167–97. http://dx.doi.org/10.1558/jsa.v1i2.28255.

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“Star” and crescent combinations in rock art in the American Southwest were first interpreted in 1955 as eyewitness depictions of the 1054 AD supernova explosion that produced the Crab nebula. While the Crab nebula is visible only telescopically, the event that generated it was brilliant, and for a time, only the sun and moon were brighter. Additional Crab supernova candidates in California and Southwest rock art were suggested 20 years later, and they included Chaco Canyon’s Penasco Blanco pictograph panel, which became the poster child for Crab supernova rock art and is now called “Supernova
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Lskandar, Dahri, Yoshiyuki Suzuki, Daisuke Shiode, Fuxiang Hu, and Tadashi Tokai. "CATCHABILITY DIFFERENCE OF GILL NET AND COLLAPSIBLE BAITED POT FOR JAPANESE ROCK CRAB." Indonesian Fisheries Research Journal 12, no. 2 (2017): 107. http://dx.doi.org/10.15578/ifrj.12.2.2006.107-112.

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The objective of this experiment is to know the catchabjlity of gill net and collapsible baited pot on Japanese rock crab. Result shows that gillnet caught more than twenty species other than Japanese rock crab.
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Puppione, D. L., D. F. Jensen, and J. D. O'Connor. "Physicochemical study of rock crab lipoproteins." Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism 875, no. 3 (1986): 563–68. http://dx.doi.org/10.1016/0005-2760(86)90078-0.

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Chávez-Solís, Carlos Enrique, and Guillermina Alcaraz. "Hiding time of the hermit crab Calcinus californiensis: observations from different shell types." Canadian Journal of Zoology 93, no. 7 (2015): 559–65. http://dx.doi.org/10.1139/cjz-2014-0312.

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Hermit crabs respond to predators by hiding in their shells. However, retraction may cause the crab to lose hold of the rock and fall through the water column, and the crab may land with the shell aperture in a different orientation. When the shell is aperture down, hermit crabs return to activity by moving their bodies forward and placing their legs on the ground. In contrast, when the shell is aperture up, crabs need to perform a righting maneuver by extending part of their bodies out of the shell, which makes them more vulnerable to predation. The main goal of this study was to examine the
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Kern, Roland, Hans-Ortwin Nalbach, and Dezsö Varjú. "Interactions of local movement detectors enhance the detection of rotation. Optokinetic experiments with the rock crab, Pachygrapsus marmoratus." Visual Neuroscience 10, no. 4 (1993): 643–52. http://dx.doi.org/10.1017/s0952523800005344.

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AbstractWalking crabs move their eyes to compensate for retinal image motion only during rotation and not during translation, even when both components are superimposed. We tested in the rock crab, Pachygrapsus marmoratus, whether this ability to decompose optic flow may arise from topographical interactions of local movement detectors. We recorded the optokinetic eye movements of the rock crab in a sinusoidally oscillating drum which carried two 10-deg wide black vertical stripes. Their azimuthal separation varied from 20 to 180 deg, and each two-stripe configuration was presented at differen
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Thanh, Phan Due, Keiji Wada, Michiko Sato, and Yoshihisa Shirayama. "Decorating behaviour by the majid crab Tiarinia cornigera as protection against predators." Journal of the Marine Biological Association of the United Kingdom 83, no. 6 (2003): 1235–37. http://dx.doi.org/10.1017/s0025315403008580.

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Although decorating behaviour is widely reported as a predator avoidance strategy among marine crabs, few studies have provided experimental evidence for this. Significance of decorating behaviour of the majid crab Tiarinia cornigera as antipredator response was examined by the field tethering and laboratory experiments. Survival of decorated crabs was significantly higher than that of non-decorated crabs after two days in an intertidal rock pool. In a laboratory experiment, crabs used more algae for decoration in the presence of predators (puffer fish) than when predators were absent. These d
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Zargarpour, Nicola, Cynthia H. McKenzie, and Brett Favaro. "A field-based investigation of behavioural interactions between invasive green crab (Carcinus maenas), rock crab (Cancer irroratus), and American lobster (Homarus americanus) in southern Newfoundland." PeerJ 8 (February 12, 2020): e8444. http://dx.doi.org/10.7717/peerj.8444.

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Marine species invasions pose a global threat to native biodiversity and commercial fisheries. The European green crab (Carcinus maenas) is one of the most successful marine invaders worldwide and has, in the last decade, invaded the southern and western coastal waters of the island of Newfoundland, Newfoundland and Labrador (NL), Canada. Impacts of green crab on the American lobster (Homarus americanus), which are native to Newfoundland, are not well understood, particularly for interactions around deployed fishing gear. Declines in lobster catch rates in invaded systems (i.e., Placentia Bay,
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Salindeho, Indra Raymond, and Danielle Jane Johnston. "Functional morphology of the mouthparts and proventriculus of the rock crab Nectocarcinus tuberculosus (Decapoda: Portunidae)." Journal of the Marine Biological Association of the United Kingdom 83, no. 4 (2003): 821–34. http://dx.doi.org/10.1017/s0025315403007859h.

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Mouthpart and proventriculus structure of the brachyuran crab Nectocarcinus tuberculosus was described by scanning electron microscopy and histology and characteristics indicative of dietary preferences were identified. A qualitative stomach content analysis was conducted to verify structural interpretations with respect to diet. The mouthparts and proventriculus of N. tuberculosus have features that are typical of macrophagous crabs and are consistent with a carnivorous diet of hard items. However, the mandibular arrangement indicates that N. tuberculosus is also adapted to ingest soft plant
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Miller, Robert J. "Catchability of American Lobsters (Homarus americanus) and Rock Crabs (Cancer irroratus) by Traps." Canadian Journal of Fisheries and Aquatic Sciences 46, no. 10 (1989): 1652–57. http://dx.doi.org/10.1139/f89-210.

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Catches per trap of lobsters (Homarus americanus) and rock crabs (Cancer irroratus) were compared to densities of each species measured by divers. Trapping and diver surveys were carried out in habitats with and without macroalgae. Catchability coefficients (catch per trap/animal density) increased greatly with animal size. For example, in a habitat with macroalgae catchabilities were 13, 47, and 492 m2∙trap−1 for lobsters of 50–59, 60–69, and 70–89 mm carapace length, respectively. For crabs of 60–79 and [Formula: see text] carapace width, catchabilities increased by factors of three or seven
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Dissertations / Theses on the topic "Rock crab"

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Wache, Susanne Christine. "Snbunit [sic] structure of Cancer productus hemocyanin during early development." Thesis, University of Oregon theses, Dept. of Biology, M.S., 1985, 1985. http://hdl.handle.net/1794/9518.

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viii, 54 leaves : ill. ; 28 cm Notes Typescript Thesis (M.S.)--University of Oregon, 1985 Includes vita and abstract Bibliography: leaves 52-54 Another copy on microfilm is located in Archives
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Trenholm, Robert Gordon. "The development of a pasteurization process for ready-to-serve refrigerated rock crab (Cancer irroratus) meat." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ36188.pdf.

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German, Jennifer Ann. "The relationship between structural and functional polymorphism of the hemocyanin of the red rock crab Cancer productus." Thesis, Thesis (M.S.)--University of Oregon, 2001, 2001. http://hdl.handle.net/1794/10064.

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Grason, Emily W. Miner Benjamin G. "Alien vs. predator : effects of a native predator on two invasive oyster drills and oysters in Washington State /." Online version, 2010. http://content.wwu.edu/cdm4/item_viewer.php?CISOROOT=/theses&CISOPTR=360&CISOBOX=1&REC=5.

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Anderson, Julie A. "Conspecific and rocky intertidal biofilm metamorphic cues for the Asian shore crab, Hemigrapsus sanguineus." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 153 p, 2009. http://proquest.umi.com/pqdweb?did=1818417371&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Ferreira, Da Silva Ana Catarina. "Predation by crabs on rocky shores in north-east Atlantic." Thesis, University of Plymouth, 2008. http://hdl.handle.net/10026.1/1993.

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Highly mobile predators are known to have an important influence on shallow-water habitats. There is, however, little information about the role of crabs on the ecology of rocky shores. Here I examine the extent and consequences of predation by crabs on shores in the North-East Atlantic. The specific aims of this thesis are to: investigate spatial variation in use of the intertidal by crabs along a horizontal gradient of exposure to wave action and a vertical gradient of tidal elevation; assess their use of the intertidal as a feeding area by examining stomach content composition; examine the
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Al-Wazzan, Zainab A. "The biology and ecology of the rocky shore crab Leptodius exaratus (H. Milne Edwards, 1834) on the coast of Kuwait." Thesis, Bangor University, 2017. https://research.bangor.ac.uk/portal/en/theses/the-biology-and-ecology-of-the-rocky-shore-crab-leptodius-exaratus-h-milne-edwards-1834-on-the-coast-of-kuwait(c01a18a4-0ca7-422c-aedc-40d16b164c8d).html.

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The rocky shore crab Leptodius exaratus is an important economic resource, as bait for recreational fishing in Kuwait. The biology and ecology of this species were investigated through a series of field studies and laboratory experiments carried out along the Kuwait coast between 2013-2015. These studies included population structure, spatial and temporal abundance, hatching, trophic ecology and the fishery. Demographic traits were quantified, including size at maturity, sexual dimorphism, fecundity, seasonal and spatial patterns of recruitment, growth, mortality and reproduction. The results
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Le, Roux Peter James. "The population ecology and feeding biology of rocky shore crabs on the Cape Peninsula." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/15455.

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Includes bibliographies.<br>This thesis consists of five chapters. One is a published paper, two are in paper format, and one is a thesis chapter. The thesis is preceded by a general introduction. The central theme of this work is the population ecology and feeding biology of rocky-shore crabs on the Cape Peninsula. The biology of three crabs is examined, namely, the ubiquitous brown shore-crab Cyclograpsus punctatus (M.Edw), the Cape rock-crab Plagusia chabrus (De Haan) and the invasive European shore-crab Carcinus maenas (L.). The possible impact of C. maenas upon the South African intertida
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Peters, Joseph Richard. "Pharmaceutical Contaminants as Stressors on Rocky Intertidal and Estuarine Organisms: a Case Study of Fluoxetine." PDXScholar, 2016. https://pdxscholar.library.pdx.edu/open_access_etds/2729.

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Contaminants such as pharmaceuticals are of increasing concern due to their ubiquitous use and persistence in surface waters worldwide. Limited attention has been paid to the effects of pharmaceuticals on marine life, despite widespread detection of these contaminants in the marine environment. Of the existing studies, the majority assess the negative effects of pharmaceuticals over an exposure period of 30 days or less and focus on cellular and subcellular biomarkers. Longer studies are required to determine if chronic contaminant exposure poses risks to marine life at environmentally relevan
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Cheverie, Anne. "Predator Effects of the Invasive Green Crab (Carcinus maenas) and the Native Rock Crab (Cancer irroratus) on Soft-Sediment Macrofauna." 2012. http://hdl.handle.net/10222/15837.

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When multiple predators foraging together have different individual consumption rates than predators foraging in isolation, they exhibit non-independent multiple predator effects on prey. I examined multiple predator effects in a system consisting of invasive green crabs (Carcinus maenas L.), native rock crabs (Cancer irroratus Say) and benthic macrofauna prey. First, I examined multiple predator effects when green crabs and rock crabs forage on soft-shell clams (Mya arenaria L.) in different habitat types (sand, sand with artificial seagrass) and assessed the behavioural mechanisms responsi
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Books on the topic "Rock crab"

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Carroll, Jay C. Species profiles: Life histories and environmental requirements of coastal fishes and invertebrates (Pacific Southwest) : brown rock crab, red rock crab, and yellow crab. U.S. Army Corps of Engineers, Waterways Experiment Station, Coastal Ecology Group, 1989.

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Miller, R. J. Trap design for a directed rock crab fishery. Fisheries and Oceans Canada, 1997.

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Prince Edward Island. Steering Committee, Free Trade Opportunities Study. Preliminary northeast U.S. market assessment, appendix E: Rock crab. Dept. of Industry, 1990.

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Inc, DPA Group. Preliminary Northeast U. S. market assessment - mussels. DPA Group Inc., 1990.

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Climb: Tales of man versus boulder, crag, wall, and peak. FalconGuides, 2012.

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Sylvie Ringer: Crab, Rock, Stick, Loss. Kerber Verlag, 2020.

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Rock Climbing Rocky Mountain National Park: The Crag Areas. Falcon, 1998.

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Climbing: From Gym to Crag. Mountaineers Books, 2000.

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Crag Survival Handbook. Mountaineers Books, The, 2013.

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Corbett, Fowler Catherine, ed. Rock-a-bye baby quilts. Oxmoor House, 1996.

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Book chapters on the topic "Rock crab"

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Naderloo, Reza. "Family Xanthidae MacLeay, 1838 (Rubble Crabs, Stone Crabs, Rock Crabs)." In Atlas of Crabs of the Persian Gulf. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49374-9_21.

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Mourão, Maria Filipa, Ana C. Braga, Alexandra Almeida, Gabriela Mimoso, and Pedro Nuno Oliveira. "Adjusting Covariates in CRIB Score Index Using ROC Regression Analysis." In Computational Science and Its Applications -- ICCSA 2015. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21407-8_12.

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Flores, Augusto A. V., and José Paula. "Intertidal distribution and species composition of brachyuran crabs at two rocky shores in Central Portugal." In Advances in Decapod Crustacean Research. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-0645-2_18.

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Mee, Nicholas. "The Ultimate Heavy Metal Space Rock." In The Cosmic Mystery Tour. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198831860.003.0016.

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Pulsars were discovered by Jocelyn Bell during her PhD research in 1967. Tommy Gold suggested these radio signals are generated by rapidly spinning neutron stars and was proved correct when a pulsar was identified in the Crab Nebula, which is the remnant of a supernova seen in 1054. The original signal detected by Bell has become a cultural icon since being used as the cover art for an album by rock band Joy Division.
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"rock crib cofferdam." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_182831.

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"rock(fill) crib(work)." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_182938.

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"rock(fill) crib(work) cofferdam." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_182939.

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Waddington, Clive, Benjamin Johnson, and Aron Mazel. "Excavation of a rock art site at Hunterheugh Crag, Northumberland." In Narratives and Journeys in Rock Art: A Reader. Archaeopress Publishing Ltd, 2018. http://dx.doi.org/10.2307/j.ctvndv90q.32.

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Fratini, Sara, Cristoph Schubart, and Lapo Ragionieri. "Population genetics in the rocky shore crab Pachygrapsus marmoratus fromthe western Mediterranean and eastern Atlantic." In Crustacean Issues. CRC Press, 2011. http://dx.doi.org/10.1201/b11113-12.

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Hammerson, Geoffrey A., and Larry E. Morse. "State of the States: Geographic Patterns of Diversity, Rarity, and Endemism." In Precious Heritage. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195125191.003.0011.

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The natural geography of the 50 states varies tremendously, supporting an equally varied suite of wild species—from flocks of tropical birds in southern Florida to caribou migrations across the Alaskan tundra. The geography of risk, too, varies across the nation, reflecting the interaction between natural and human history. Similarly, present-day land and water uses will largely determine the future diversity and condition of the flora and fauna. We can learn much, though, from looking at the current condition of a state’s biota, since this both reflects the past and helps illuminate the future. A state’s ecological complexion and the evolutionary history of its biota are the primary determinants of its biological diversity. These environmental factors have encouraged spectacular diversification in many regions: for instance, the freshwater fish fauna in the Southeast, the magnificent conifers along the Pacific cordillera, and the small mammal assemblages of the arid Southwest. Conversely, geological events such as the expansion and contraction of the ice sheets have left other areas of the country with a more modest array of species. States, however, are artificial constructs laid out on the landscape’s natural ecological patterns. While some state lines follow natural boundaries, such as shorelines or major rivers, most cut across the land with no sensitivity to natural features or topography. Nonetheless, urban and rural dwellers alike identify with the major ecological regions within which they live, and this is often the source of considerable pride. Montana is “big sky country,” referring to the vast open plains that sweep up against the eastern phalanx of the Rocky Mountains. California’s moniker “the golden state” now refers more to its tawny hills of summer—unfortunately at present composed mostly of alien species—than to the nuggets first found at Sutter’s Creek. Maryland, home of the Chesapeake Bay, offers the tasty blue crab (Callinectes sapidus) as its unofficial invertebrate mascot. The list could go on, evidenced by the growing number of states that offer vanity license plates celebrating their natural environment. Natural features have always played a dominant role in determining patterns of settlement and land use.
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Conference papers on the topic "Rock crab"

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Siripun, Komsun, Peerapong Jitsangiam, and Hamid Nikraz. "The Effects of Moisture Characteristics of Crushed Rock Base (CRB)." In Geo-Frontiers Congress 2011. American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41165(397)456.

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