Academic literature on the topic 'High Power Microwaves Vircator'

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Journal articles on the topic "High Power Microwaves Vircator"

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LIU, GUOZHI, WENHUA HUANG, HAO SHAO, et al. "Effects of diode current on high power microwave generation in a vircator." Journal of Plasma Physics 75, no. 6 (2009): 787–98. http://dx.doi.org/10.1017/s0022377809007909.

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AbstractAn experiment of a virtual cathode oscillator (vircator) built on the low impedance intense electron beam accelerator Flash II is reported. A novel spectrum diagnosis method—a circulating dispersion line—is proposed. A thin oil layer coated graphite cathode is introduced in the experiment to decrease the delay time of the explosive emission process and obtain a homogeneous electron beam emission for improving the high-power microwave (HPM) generation efficiency. The effect of diode current on HPM generation in the vircator system is discussed. The HPM pulse width has a strong connectio
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LIU, G. Z., H. SHAO, Z. F. YANG, et al. "Coaxial cavity vircator with enhanced efficiency." Journal of Plasma Physics 74, no. 2 (2008): 233–44. http://dx.doi.org/10.1017/s0022377807006976.

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AbstractA vircator with a coaxial cavity has the potential to increase the beam–microwave conversion efficiency. According to the E-field distribution pattern of the modes in the anode cavity of a coaxial vircator, the resonant frequency band of the injected electron beam and the lowest two operating modes are derived. The main frequency of the virtual cathode is also deduced. The optimal operating frequency and high-efficiency designing method of a coaxial cavity vircator is discussed. An experimental setup is designed and built to test the high-power microwave (HPM) generation mechanism desc
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Chang-Sing Hwang and Mien-Win Wu. "A high power microwave vircator with an enhanced efficiency." IEEE Transactions on Plasma Science 21, no. 2 (1993): 239–42. http://dx.doi.org/10.1109/27.219385.

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KOROVIN, SERGEI D., IVAN K. KURKAN, SERGEY V. LOGINOV, et al. "Decimeter-band frequency-tunable sources of high-power microwave pulses." Laser and Particle Beams 21, no. 2 (2003): 175–85. http://dx.doi.org/10.1017/s0263034603212052.

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This article describes S-band sources of high-power microwave (HPM) pulses: a resonant backward wave oscillator (BWO) producing ∼5-GW, 100-J pulses, based on the SINUS-7 electron accelerator, and a double-section vircator with a peak power of ∼1 GW and a pulse width of 20–50 ns, powered from either the SINUS-7 accelerator or the MARINA inductive-store pulse driver with a fuse opening switch.
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Hwang, C. S., M. W. Wu, P. S. Song, and W. S. Hou. "High power microwave generation from a tunable radially extracted vircator." Journal of Applied Physics 69, no. 3 (1991): 1247–52. http://dx.doi.org/10.1063/1.347310.

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Walter, John W., Curtis F. Lynn, James C. Dickens, and Magne Kristiansen. "Operation of a Sealed-Tube-Vircator High-Power-Microwave Source." IEEE Transactions on Plasma Science 40, no. 6 (2012): 1618–21. http://dx.doi.org/10.1109/tps.2012.2192454.

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Wymysłowski, Artur. "VIRCATOR - ANALYTICAL AND NUMERICAL ANALYSIS AND OPTIMIZATION OF A VACUUM MICROWAVE HIGH POWER DEVICE." International Journal of Research -GRANTHAALAYAH 6, no. 5 (2018): 47–53. http://dx.doi.org/10.29121/granthaalayah.v6.i5.2018.1422.

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Vircator is a vacuum microwave device characterised by a pulse working signal and high power. It is classified as a High-Power Microwave (HPM) device and often is a component of Electromagnetic Pulse (EMP) weapons and microwave power transmissions. The direct source of a microwave signal is an oscillation of the so-called virtual cathode. The goal of the presented research was to apply analytical analysis and numerical prototyping methods as a methodology for optimization of the electrical and mechanical design taking into account transformation of electrons' energy into a microwave signal. On
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Verma, Rishi, Rohit Shukla, Surender Kumar Sharma, et al. "Characterization of High Power Microwave Radiation by an Axially Extracted Vircator." IEEE Transactions on Electron Devices 61, no. 1 (2014): 141–46. http://dx.doi.org/10.1109/ted.2013.2288310.

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Nikolov, N. A., K. G. Kostov, I. P. Spasovsky, and V. A. Spasov. "High-power microwave generation from virtual cathode in foilless diode (vircator)." Electronics Letters 24, no. 23 (1988): 1445. http://dx.doi.org/10.1049/el:19880987.

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Biswas, Debabrata, and Raghwendra Kumar. "Microwave Power Enhancement in the Simulation of a Resonant Coaxial Vircator." IEEE Transactions on Plasma Science 38, no. 6 (2010): 1313–17. http://dx.doi.org/10.1109/tps.2010.2042821.

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Dissertations / Theses on the topic "High Power Microwaves Vircator"

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Möller, Cecilia. "Design and Experiments with High Power Microwave Sources : The Virtual Cathode Oscillator." Doctoral thesis, KTH, Rymd- och plasmafysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104794.

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High-Power Microwaves (HPM) can be used to intentionally disturb or destroy electronic equipment at a distance by inducing high voltages and currents.This thesis presents results from simulations and experiments with a narrow band HPM source, the vircator. The high voltages needed to generate HPM puts the vircator under great stress, especially the electrode materials. Several electrode materials have been tested for endurance and their influence on the characteristics of the microwave pulse. With the proper materials the shot-to-shot variations are small and the geometry can be optimized in t
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Hägg, Martin. "Theoretical analysis and simulation of microwave-generation from a coaxial vircator." Thesis, Uppsala universitet, Fasta tillståndets elektronik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-316595.

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High-power microwave, HPM, systems can be used as non-lethal weapons with the ability to destroy or disturb electronics, by damaging internal circuits and inducing high currents. Today microwave sources are being developed with peak powers exceeding 1 GW, one of these devices is the vircator, a narrowband source which is unique to the HPM community. In order to understand and develop microwave sources like the vircator it is necessary to have computer models, as simulations gives an invaluable understanding of the mechanisms involved during operation, saving time and development costs.        
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Schlise, Charles A. "Explosive emission cathodes for high power microwave devices /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FSchlise.pdf.

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Yi, Changhyun. "InP-based heterojunction bipolar transistors for high speed and RF power applications : advanced emitter-base designs." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/13083.

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Brown, Martin. "High voltage soliton production in nonlinear transmission lines and other pulsed power applications." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364003.

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Armanious, Miena Magdi Hakeem. "DESIGN AND ANALYSIS OF A HIGH POWER MODERATE BAND RADIATOR USING A SWITCHED OSCILLATOR." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/195937.

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Quarter-wave switched oscillators (SWOs) are an important technology for the generation of high-power, moderate bandwidth (mesoband) wave forms. The use of SWOs in high power microwave sources has been discussed for the past 10 years [1-6], but a detailed discussion of the design of this type of oscillators for particular waveforms has been lacking. In this dissertation I develop a design methodology for a realization of SWOs, also known as MATRIX oscillators in the scientific community.A key element in the design of SWOs is the self-breakdown switch, which is created by a large electric field
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Caudron, François. "Etude fondamentale des effets liés aux agressions micro-ondes de fortes puissances et du chaos sur l’électronique (composants, circuits et systèmes)." Thesis, Cergy-Pontoise, 2012. http://www.theses.fr/2012CERG0663.

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Le travail de thèse s'intéresse aux effets liés aux agressions MFP et du chaos sur l'électronique. Après une étude théorique et expérimentale du couplage électromagnétique entre deux ports d'accès d'impédance 50 Ω réalisés dans une cavité complexe, un nouveau modèle est proposé pour étendre l'étude aux cas des impédances de rayonnements quelconques en s'appuyant sur le principe de Babinet. L'impact des agressions EM intentionnelles sur les circuits "front-end" des récepteurs comme par exemple les circuits limiteurs lorsque les antennes sont agressées en dehors de leur bande passante a été auss
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Rennesson, Stéphanie. "Développement de nouvelles hétérostructures HEMTs à base de nitrure de gallium pour des applications de puissance en gamme d'ondes millimétriques." Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00943619.

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Les matériaux III-N sont présents dans la vie quotidienne pour des applications optoélectroniques (diodes électroluminescentes, lasers). Les propriétés remarquables du GaN (grand gap, grand champ de claquage, champ de polarisation élevé, vitesse de saturation des électrons importante...) en font un candidat de choix pour des applications en électronique de puissance à basse fréquence, mais aussi à haute fréquence, par exemple en gamme d'ondes millimétriques. L'enjeu de ce travail de thèse consiste à augmenter la fréquence de travail des transistors tout en maintenant une puissance élevée. Pour
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CHAO, CHIA-LUN, and 趙家倫. "Multiferroic materials-based nonlinear transmission lines for high power microwaves generation." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/yg7a9c.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>107<br>High power microwaves (HPMs) are electromagnetic waves with the power level higher than 1 MW operated at the frequency above 0.3 GHz. They are often used in military applications and communication systems. Conventional HPM sources require vacuum equipment and strong magnetic fields for converting the kinetic energy of the electron beams into electromagnetic wave energy which are heavy and complicated. Another approach of generating HPMs is utilizing nonlinear transmission lines (NLTLs). Due to the characteristics of dispersions and non-linearity, the input hi
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Sunitha, K. "Coupling Of Electromagnetic Fields From Intentional High Power Electromagnetic Sources With A Buried Cable And An Airborne Vehicle In Flight." Thesis, 2013. http://etd.iisc.ernet.in/handle/2005/2620.

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Society’s dependence on electronic and electrical systems has increased rapidly over the past few decades, and people are relying more and more on these gadgets in their daily life because of the efficiency in operation which these systems can offer. This has revolutionized many areas of electrical and electronics engineering including power sector, telecommunication sector, transportation and many other allied areas. With progress in time, the sophistication in the systems also increased. Also as the systems size reduced from micro level to nano level, the compactness of the systems increased
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Books on the topic "High Power Microwaves Vircator"

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1952-, Swegle John Allan, ed. High-power microwaves. Artech House, 1992.

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1952-, Swegle John Allan, and Schamiloglu Edl, eds. High power microwaves. 2nd ed. Taylor & Francis, 2007.

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North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. High power microwaves (HPM). AGARD, 1995.

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Taylor, Clayborne D. High-power microwave systems and effects. Taylor and Francis, 1994.

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K, Abe David, and Nusinovich G. S, eds. High energy density and high power RF: 7th Workshop on High Energy Density and High Power RF, Kalamata, Greece, 13-17 June 2005. American Institute of Physics, 2006.

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H, Gold Steven, Nusinovich G. S, University of Maryland (College Park, Md.), Naval Research Laboratory (U.S.), and United States. Dept. of Energy., eds. High energy density and high power RF: 6th Workshop on High Energy Density and High Power RF, Berkeley Springs, West Virginia, 22-26 June 2003. American Institute of Physics, 2003.

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Kartikeyan, M. V. Gyrotrons: High power microwave and millimeter wave technology. Springer, 2003.

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IEEE-Russia Conference on High Power Microwave Electronics--Measurements, Identification, Applications (2nd 1999 Novosibirsk, Russia). 1999 high power microwave electronics: Measurements, identification, applications, MIA-ME'99 : September 21-23, 1999, Novosibirsk, Russia. Novosibirsk State Technical University, 1999.

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Casier, Herman. Analog Circuit Design: Sensors, Actuators and Power Drivers; Integrated Power Amplifiers from Wireline to RF; Very High Frequency Front Ends. Springer Science + Business Media B.V, 2008.

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Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium. High power microwaves (HPM): Papers presented at the Sensor and Propagation Panel Symposium, held in Ottawa, Canada 2-5 May 1994. Agard, 1995.

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Book chapters on the topic "High Power Microwaves Vircator"

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"Vircators." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-15.

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"0 Vircators, Gyrotrons and Electron Cyclotron Masers, and Free-Electron Lasers." In High Power Microwaves. CRC Press, 2007. http://dx.doi.org/10.1201/9781420012064-14.

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"Enabling Technologies." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-10.

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"Beamless Systems." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-11.

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"Relativistic Magnetrons and MILOs." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-12.

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"BWOs, MWCGs, and O-type Cerenkov Devices." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-13.

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"Klystrons and Reltrons." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-14.

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"Gyrotrons, Electron Cyclotron Masers, and Free-Electron Lasers." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-16.

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"Introduction." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-6.

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"Designing High Power Microwave Systems." In High Power Microwaves. CRC Press, 2015. http://dx.doi.org/10.1201/b19681-7.

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Conference papers on the topic "High Power Microwaves Vircator"

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Tsygankov, Ruslan V., Boris M. Kovalchuk, Sergei D. Polevin, and Andrei A. Zherlitsyn. "High-power single-mode microwave generation by coaxial vircator." In 8th International Vacuum Electron Sources Conference and Nanocarbon (2010 IVESC). IEEE, 2010. http://dx.doi.org/10.1109/ivesc.2010.5644400.

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Kucuk, I. Semih, Busra Timur, Zafer Tanc, and Simsek Demir. "Design studies of axial vircator for high power microwave generation." In 2017 IV International Electromagnetic Compatibility Conference (EMC Turkiye). IEEE, 2017. http://dx.doi.org/10.1109/emct.2017.8090379.

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McAulay, Alastair D. "Compensating for inconsistent high power vircator microwave radar pulse sources." In SPIE Defense, Security, and Sensing, edited by Kenneth I. Ranney and Armin W. Doerry. SPIE, 2012. http://dx.doi.org/10.1117/12.919435.

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Parson, Jonathan M., Curtis F. Lynn, James-William B. Bragg, et al. "Rep-rate operation of a 300 kV, high-power microwave sealed-tube vircator." In 2014 IEEE International Power Modulator and High Voltage Conference (IPMHVC). IEEE, 2014. http://dx.doi.org/10.1109/ipmhvc.2014.7287274.

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Young, A., T. Holt, M. Elsayed, et al. "A Compact, Self-Contained High Power Microwave Source Based on a Reflex-Triode Vircator and Explosively Driven Pulsed Power." In 2008 IEEE International Power Modulators and High Voltage Conference (IPMC). IEEE, 2008. http://dx.doi.org/10.1109/ipmc.2008.4743600.

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Kelly, Patrick M., J. M. Parson, C. Lynn, et al. "Performance of St707 getter material in a rep-rated high power microwave sealed-tube vircator under UHV conditions." In 2014 IEEE International Power Modulator and High Voltage Conference (IPMHVC). IEEE, 2014. http://dx.doi.org/10.1109/ipmhvc.2014.7287246.

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Song, Ki Baek, Eun Ha Choi, Chun Ho Kim, Yoon Soo Choi, and Jai Min Lee. "Output characteristics of the high power microwave generated from an axial vircator with narrow band." In 2009 IEEE 36th International Conference on Plasma Science (ICOPS). IEEE, 2009. http://dx.doi.org/10.1109/plasma.2009.5227449.

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Song, Ki Baek, Hee Myung Shin, and Eun Ha Choi. "Output Characteristics of the High Power Microwave Generated from a Axial Vircator with a Bar Reflector in a Drift Region." In 2007 IEEE Pulsed Power Plasma Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/ppps.2007.4345838.

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Kelly, P., J. M. Parson, C. Lynn, et al. "Performance of St707 getter material in a rep-rated high power microwave sealed-tube vircator under UHV conditions." In 2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) held with 2014 IEEE International Conference on High-Power Particle Beams (BEAMS). IEEE, 2014. http://dx.doi.org/10.1109/plasma.2014.7012655.

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Hwang, C. S., M. S. Yang, F. C. Lin, M. W. Wu, P. S. Song, and W. S. Hou. "A tuneable narrow-band high power vircator." In 1990 Plasma Science IEEE Conference Record - Abstracts. IEEE, 1990. http://dx.doi.org/10.1109/plasma.1990.110637.

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Reports on the topic "High Power Microwaves Vircator"

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Manheimer, Wallace M. High Power Microwaves for Defense and Accelerator Applications. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada223550.

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Walling, Eileen M. High Power Microwaves: Strategic and Operational Implications for Warfare. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada425472.

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Swicord, Mays L. A Study of the Effects of High Power Pulsed 2450 MHz Microwaves, ELF modulated Microwaves, and ELF Fields on Human Lymphocytes and Selected Cell Lines. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada269070.

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