000 00265nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aFOROUZAN(BA)
245 0 _aDATA COMMUNICATION & NETWORKING
260 _c2013
_bTATA MC GRAW HILL
300 _a1226
942 _cBK
999 _c16909
_d16909