N K Sehgal and others <br/><br/>
Modern Physics 

 - Delhi  Sultan Chand & Sons  1972 
 - xii,538p.  HB  21x14cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity<br/>Cathode Rays<br/>Matter Waves<br/>Cosmic Rays<br/>Electronics
<br/><br/><label>Dewey Class. No.: </label>536/59  / SEHM