000 00335nam a2200133Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658.403E STA
100 _aStallings, William
245 0 _aBusiness data communications
250 _a4th ed.
260 _bPearson education
_aDelhi
_c2002
300 _axxii,659p p.
942 _cBK
999 _c3418
_d3418