Singh, R. P. <br/><br/>
Communication systems : analog and digital  Textual Documents 
by R P Singh 
 - 3rd ed. 
 - New Delhi  McGraw Hill Education (India) Private Limited  2016(7th Reprint) 
 - Xix, 750p:  25cm. 
<br/><br/><label>ISBN: </label>9781259004605 
<br/><br/><label>Subjects--Index Terms: </label>Computer Science Communication systems, analog, digital G-Computer Science 
<br/><br/><label>Dewey Class. No.: </label>621.38212