000			00363nam a2200133Ia 4500
005			20260413100913.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aBlack clyless
245		0	_aComputers Networks: Protocols Standards & Int
260			_bN. delhi Prentice hall of India _c1999
300			_a436
942			_cGB
999			_c5386 _d5386