cam a22 u 4500 12871736X CHVBK 20200921121755.0 880212s1982 xxk | 00 |eng|d 0-906048-77-X (OCoLC)636382990 (NEBIS)000254240 ETH-BIB ger ETH-BIB ETHICS-ISBD Leaky feeders and subsurface radio communication Paul Delogne Stevenage New York Peregrinus 1982 283 p. fig.; tab.; diagr. IEE electromagnetic waves series 14 14 (NEBIS)000000381 291581498 UNTERIRDISCHER FUNKVERKEHR (FUNKTECHNIK) ger (ETHUDK)000028853 ethudk u UNTERIRDISCHER FUNKVERKEHR (FUNKTECHNIK) ger 621.396.945 nebis E1 u SUBSURFACE RADIOCOMMUNICATIONS (RADIO ENGINEERING) eng 621.396.945 nebis E1 u RADIOCOMMUNICATIONS SOUTERRAINES (RADIOTECHNIQUE) fre 621.396.945 nebis E1 Delogne Paul BK020000 XK020000 XK020000 NEBIS E16 E16 RH P 301026: 14 NEBIS 490 -- IEE electromagnetic waves series 14 14 (NEBIS)000000381 291581498 NEBIS 700 1- Delogne Paul