000 00347nam a2200145Ia 4500
008 210122s9999 xx 000 0 und d
020 _a8178086824
100 _aStallings William
250 _a4th Ed.
942 _cBK
245 _aBusiness Datacommunication
260 _b"Pearson, New Delhi"
_c2004
082 _a4.6
_bSTA
546 _aENGLISH
999 _c27059
_d27059