000 00331nam a2200121Ia 4500
008 211209s1973 xx 000 0 und d
041 _aeng
082 _a621.388 5 N73 RAM
100 _aRAMABHADRAN S
245 _aTELECOMMUNICATIONS PRINCIPLES CIRCUITS AND SYSTEMS
260 _aNEW DELHI
_bKHANNA PUBLISHERS
_c1973
300 _a869
999 _c99587
_d99587