Sehgal, D.L...[et al] <br/><br/>
Modern physics 

 - 7th 
 -  Sultan Chand  1991 
 - 538p. 
<br/><br/><label>ISBN: </label> 42.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICS
<br/><br/><label>Dewey Class. No.: </label>539  / SEH