000 00303nam a22001337a 4500
020 _a9780070634145
100 _aBehrouz A. Forouzan
245 _aData Communications & Networking
250 _a4 ed
260 _aNew Delhi
_bMc Graw Hill
_c2006
300 _a1134
650 _aComputer
942 _cBK
999 _c21682
_d21682