000 00257nam a2200097Ia 4500
008 230508s2011 xx 000 0 und d
041 _aeng
100 _aFOROUZAN BEHROUZ.A.
245 _aDATA COMMUNICATION & NETWORKING
260 _bTATA MC GRAW HILL PU
_c2011
999 _c715922
_d715922