000 00374nam a2200145Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a621
_bRA-T
100 _aRamabhadran.S
245 0 _aTelecommunication principles circuits systems
250 _a4th
260 _c1986
_aNew Delhi
_bKhanna Publishers
650 _aElectronics Engineering
942 _cBK
999 _c1286
_d1286