000 00288nam a22001217a 4500
020 _a9780074636824
082 _a621.382
100 _aGEORGE, KENNEDY
_aDAVIS, BERNARD
245 _aELECTRONIC COMMUNICATION SYSTEM
260 _aNEW DELHI
_bTMH
_c1999
300 _a763P
942 _cBK
999 _c16254
_d16254