Balakrishnan, T K <br/><br/>
Prakasikam (m) 

 -  State Institute of Languages, TVPM  1974 
 - 430 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light & paraphotic phenomena (Optics); Physics
<br/><br/><label>Dewey Class. No.: </label>S 535  BAL-P