000 00286nam a2200109Ia 4500
008 220201s1986 xx 000 0 eng d
100 _aRAMABHADRAN (S)
245 0 _aTELECOMMUNICATION PRINCIPLES CIRCUITS & SYSTEMS
250 _a4TH
260 _bKHANNA PUB. N.DELHI
_c1986
942 _2ddc
999 _c94999
_d94999