Singh, R. P. <br/><br/>
Communication systems :  analog & digital / 
R.P. Singh, S. D. Sapre 
 - 2nd ed. 
 - New Delhi :  McGraw-Hill Education India ,  2007 
 - 584 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0070634548 9780070634541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications