000 00359nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
082 _a621.38
_bROD/EL
100 _aCOOLEN, John
100 _aRODDY, Dennis
245 0 _aELECTRONIC COMMUNICATIONS
250 _a3rd Ed.
260 _bPrentice-Hall of India Pvt. Ltd., New Delhi
_aNew Delhi
_c1991
942 _cBK
999 _c9302
_d9302