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/>Natural Science--LightLight & infrared & ultraviolet phenomenaGeneralia--Physics
<br/><br/><label>Dewey Class. No.: </label>535.2  / BAL-P