000 00418nam a2200181Ia 4500
005 20240823011040.0
008 240823s9999||||xx |||||||||||||| ||und||
041 _aENGLISH
082 _A621.385 N1
100 _aBiswas N N
245 0 _aPrinciples of Telephony
250 _a1st
260 _c1991
_b"RB,Banglore"
500 _aTransfered
650 _aTelephone
_bElectronics
942 _cBK
999 _c160404
_d160404