Ray, K. D. <br/><br/>
Light 
K. D. Ray 
 - Calcutta  Indian book  1969 
 - various pages 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>535  / R263