Ralph Schäfer, Pablo Pasquale and Stephan Kallee: The Electromagnetic Pulse Technology (EMPT): Forming, Welding, Crimping and Cutting (页面存档备份,存于互联网档案馆) Dr
Strategies and motivation for seeding star-forming clouds”. J. British Interplanetary Soc. 1997, 50: 93. Electromagnetic space travel for bugs? - space - 21