Natural Electromagnetic Phenomena below 30 kc/s Proceedings of a NATO Advanced Study Institute Held in Bad Homburg, Germany July 22–August 2, 1963

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Ionospheric Radio Communications

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Effects of Ionospheric Scattering on Very-Long-Distance Radio Communication

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Developments in Applied Spectroscopy Volume 3: Proceedings of the Fourteenth Annual Mid-America Spectroscopy Symposium Held in Chicago, Illinois, May 20–23, 1963

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ELF-VLF Radio Wave Propagation: Proceedings of the NATO Advanced Study Institute held at Spåtind, Norway, April 17–27, 1974 (Nato Science Series C:, 10)

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Proceedings of the Seventh Conference on Magnetism and Magnetic Materials

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Proceedings of the Dubna Conference on the Mössbauer Effect 1963

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23. Tagung vom 27. bis 31. Oktober 1970 in Baden-Baden