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082 _a621.38195404 S775D
100 _aStallings, William
245 0 _aData and Computer Communications
250 _a5
260 _aNew Delhi
_bPHI
_c2001
300 _ap.798
650 _bData Communications
650 _bCommunications Architechture
650 _bLocal Area Network
650 _bNetwork Security
650 _bInternet Application Protocols
942 _cSW