000			00352nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
082			_a621.382 CHA
100			_aChakrabarti, E
245		0	_aAnolog communications systems
250			_a1st
260			_aDhanpat rai and company _bDelhi _c1998
300			_b125
650			_aCOMMUNICATION SYSTEM
999			_c165620 _d165620