Sharma , H Padmanabha. <br/><br/>
Optical communication : short questions and answers 

 - Delhi :  Vikas Publisher,  1994 
 - 113. 
<br/><br/><label>ISBN: </label>8125908889  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.3827  / SHA