000 00300nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a621.382 N81 ROD/COO
100 _aRODDY D
245 _aELECTRONIC COMMUNICATIONS
260 _aNEW DELHI
_bPRENTICE-HALL
_c1981
300 _a640
999 _c107308
_d107308