000			00369nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a0-07-047297-1
082			_a005.71 GOD
100			_aGodbole, Achyut, S
245		0	_aData communications and networks
260			_aTata mcgraw hill _bNew Delhi _c2002
300			_b225
650			_aDATA COMMUNICATION _91124
999			_c172103 _d172103