000 00298nam a2200121Ia 4500
005 20240815111809.0
008 240815s9999||||xx |||||||||||||| ||und||
082 _a621.382
100 _aHamsher
245 0 _aCommunication System Engineering Handbook
260 _bMcGraw Hill
_c1967
942 _cBK
999 _c225354
_d225354