ELF-VLF Radio Wave Propagation: Proceedings of the NATO Advanced Study Institute held at Spåtind, Norway, April 17–27, 1974 Nato Science Series C:, nr. 10 Editat de J.A. Holtet 13 noi 2013 Paperback Preț: 914.52 lei 1115.26 lei 43-57 zile -18%
