Singh R P <br/><br/>
Communication systems    Analog and digital 
Singh R P; Sapre S D 
 - 2 
 - New Delhi  Tata McGraw-Hill       2007 
 - xi,5894p  cm. 
<br/><br/><label>Standard No.: </label>84088 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,4, P7