Balakrishnan, T K <br/><br/>
Prakasikam 

 - Thiruvananthapuram  State Institute of Languages  1974 
 - 289p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--general stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--light and infrared  and ultraviolet phenomenaGeneralia--natural science and mathematics
<br/><br/><label>Dewey Class. No.: </label>535.2  / BAL-P