000 00441pam a2200157 a 4500
020 _c
041 _h
082 _a384.3
_bBAT
245 _aPrinciples of Voice and Data Communications /
_cNULL.
_hTextual Documents
250 _a /
_b.
260 _aNew Delhi :
_bTata McGraw Hill Publishing Company Limited ,
_c2007.
300 _a217 ;
_cNULL.
653 _aTelecommunication Networks
700 _aBates, Marcus .
930 _a2040
999 _c121542
_d121542