00813nam a2200241 a 4500 68631 BD-RjUL 20211209081807.0 170404s1960 enk u 0 0 0und d (BD-RjUL)68841 BD-RjUL eng BD-RjUL BD-RjUL eng 23 621.3 INF 1960 Information networks / Telecom Publishing Group New York ; Polytechnic Press, c1955 [Printing 1960] xix, 328 p. : ill. ; Microwave Research Institute symposia series, vol. 3. Electronics Networks 203406 Telecom Publishing Group 203407 SERLOC preceding entry: Enhanced services outlook Microwave Research Institute symposia series, vol. 3. ddc BK 68631 68631 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1963-12-21 Zeitlinger 0 621.3 INF 1960 2017-04-04 00:00:00 C-1 2017-04-04 BK