000			00394nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a70584087
082			_a005.71 FOR
100			_aForouzan, Behrouz, A _92010
245		0	_aData communications and networking
250			_a4th
260			_aTata mcgraw hill _bNew Delhi _c2008
300			_b399
650			_aDATA COMMUNICATION _91124
999			_c177662 _d177662