SEHGAL (D L) & others. <br/><br/>
Modern physics. 

 - N D  S. Chand & Co. Ltd.  1972 
 - xii,558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modern Physics
<br/><br/><label>Dewey Class. No.: </label>539 SEHM