Sehgal, N.K. and Chopra, K.L <br/><br/>
Modern Physics  English 

 - New Delhi  Sultan Chand & Sons  2010 
 - 21.8  PB 
<br/><br/><label>ISBN: </label>9788180549526 
<br/><br/><label>Dewey Class. No.: </label>539 SEN M