000			00348nam a2200121Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
082			_a621.382 2
100			_aDas, J _97585
245		0	_aReview of digital communication
260			_aNew age international _bNew Delhi _c2004
300			_aXVI,629p.;28cm _b495
650			_aCOMMUNICATION SYSTEM
999			_c181269 _d181269