000			00392nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a70435634
082			_a005.71 FOR
100			_aForouzan, Behrouz, A _92010
245		0	_aData communications and networking
250			_a2nd
260			_aTata mcgraw hill _bNew Delhi _c2001
300			_b0
650			_aDATA COMMUNICATION _91124
999			_c167924 _d167924