000 00474nam a2200181Ia 4500
999 _c62369
_d62369
005 20220224144406.0
008 180710s9999 xx 000 0 und d
041 _aEN
082 _a621.38
_bROD
_223
100 _aRODDY, Dennis
100 _aCoolen, John
245 _aElectronic communications
_c/[by] Dennis Roddy, John Coolen
260 _aNew Delhi
_bPrentice-Hall of India
_c1978
300 _aix, 706 p.
500 _aIncludes index.
509 _aNS
942 _cR