Couch Leon W. Digital and analog communication systems - 8th - New Delhi Pearson 2013 - xxi;762p. cm. ISBN: 14020.700000000001 Standard No.: 125241 Source: 2707, 30/12/2014, Ashutosh Technical Books Textual Subjects--Topical Terms: Electronic Science Dewey Class. No.: D65,4:(B252), Q3