Gautam, A. K. <br/><br/>
Communication systems 
A. K. Gautam, 
 - New Delhi :  S. K. Kataria & Sons,  2004. 
 - 293 p. :  ill.  24 cm. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Telecommunication. 2.Digital communication.
<br/><br/><label>Dewey Class. No.: </label>621.382