000 00322nam a2200145Ia 4500
100 _aRAMABHADRAN S
650 _aCommunications
365 _cRS
365 _d1
942 _cENGBK
654 _aTelecommunication
245 _aBasic Telecommunication
260 _bKhanna Publishers
_c1986
_aDelhi
300 _aXII+485PP
999 _c35876
_d35876