000			00366nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a621.381
100			_aBlack U. D.
245		0	_aComputer networks
260			_bPrentice Hall Of India Pvt. Ltd.
260			_c1995
300			_a436p.
365			_b195
650			_aCOMPUTER
942			_cBB
999			_c152 _d152