00731nam a22002297a 4500 BD-DhUL 20150115124025.0 150115s1950 e a|||| |||| 001 0 eng d BD-DhUL BD-DhUL 621.384135 SOP Southworth, George C. Principles and applications of waveguide transmission / George C. Southworth London : D. Van Nostrand company, c1950. xi, 689 p. : ill. ; 24 cm. GBP 51.60 The Bell telephone laboratories series. Includes bibliographies and index. Guides d'ondes. Modulation (électronique). Wave guides. ddc BK 31569 31569 0 0 ddc 0 621_384135000000000_SOP 0 NFIC 59528 DUSL DUSL GEN 0000-00-00 purchased 621.384135 SOP A60270 2015-01-15 2015-01-15 BK