000 00263nam a2200109Ia 4500
100 _aRamabhadran S
245 _aTelecommunications Principles, Circuits and Systems
250 _a4
260 _c1986
_bKHANNA PUBLISHERS
_aDelhi
300 _axxxi+1062
942 _cBK
999 _c13139
_d13139