000 00615nam a2200241Ia 4500
003 OSt
005 20221005023220.0
006 a|||||r|||| 00| 0
007 ta
008 221004b |||||||| |||| 00| 0 eng d
024 _a28076
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aD65,48, N3
100 _aBiswas Nripendra N
245 0 _aPrinciples of telephony
260 _aBangalore
_bRadiant Books
_c1993
300 _a138p.
_ccm.
650 _aENGINEERING
942 _hD65,48, N3
_cTEXL
_2cc
999 _c930784
_d930784