00633nam a2200217 a 4500 67909 BD-RjUL 20211209081715.0 170329s1958 enka 001 0 eng d (BD-RjUL)68118 DLC DSI DLC (BD-RjUL) eng eng 23 621.384191 GRA 1958 Grover, J. H. H. 201304 Aircraft communications systems / J. H. H. Grover London : Heywood & Company Ltd., 1958 [c1957] 127 p. : ill. ; 22 cm. Includes Index Airplanes Radio equipment. 201305 ddc BK 67909 67909 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1967-02-28 Pak, Amirican Commercial Inc. 16.88 0 621.384191 GRA 1958 2017-03-29 00:00:00 C-1 2017-03-29 BK