000			00369nam a2200121Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
082			_a621.381 DAS
100			_aDas, J Mullick, S.K and Chatterjee, P.K _91915
245		0	_aPrinciples of digital communications
260			_aNew age international _bNew Delhi _c1998
300			_b0
650			_aCOMMUNICATION SYSTEM
999			_c167790 _d167790