Sehgal, et al. <br/><br/>
Modern physics / 
Sehgal, et al. 
 -  Sultan Chand & Sons, New Delhi,  1983 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9780030619342 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modern physics
<br/><br/><label>Dewey Class. No.: </label>539 SEH-M