000			00394nam a2200133Ia 4500
008			210917s9999 xx 000 0 und d
082			_a510.78 .C17
100			_aComer, Douglas E
245		0	_aComputer Networks and Internets
260			_aNew Delhi
260			_b Pearson
260			_c2004
942			_cCD
999			_c151279 _d151279