Bhatt p , <br/><br/>
Indian journal of pure  and Applied Physics Vol 50 , No 1-12 ,   Bound Volumes 

 - [s.l]:  National Institute of Scioence Communication and Information resources ,  2012. 
 - 0:  HB;  28*20. 
<br/><br/><label>ISBN: </label>0019-5596   
<br/><br/><label>Dewey Class. No.: </label>050  / BHA