000			00397nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a978-81-203-3411-3
082			_a621.382 COU
100			_aCouch, Leon, W
245		0	_aDigital and analog communication systems
250			_a7th
260			_aPearson education asia _bDelhi _c2007
300			_b450
650			_aCOMMUNICATION SYSTEM
999			_c177348 _d177348