000			00326nam a2200133Ia 4500
100			_aCouch,Leon.W
020			_a978-81-203-3411-3
250			_a7th ed
942			_cBK
245			_aDigital and analog communication systems
260			_aPrentice-Hall of India, New Delhi _c2007
082			_a621.38 Cou
300			_axxvii,751
999			_c43882 _d43882