000 00260nam a2200097Ia 4500
008 230508s2008 xx 000 0 und d
041 _aeng
100 _aGODBOLE ACHYUT
245 _aDATA COMMUNICATIONS AND NETWORKS
260 _bTATA MCGRAW HILL PUB.
_c2008
_g2007
999 _c317986
_d317986