000 00248nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aFOROUZAN (BEHROUZ A.)
245 0 _aDATA COMMUNICATION AND NETWORKING
260 _bMCGRAWHILL
942 _2ddc
_cMTECH
999 _c2860
_d2860