Narayanan, C.R. <br/><br/>
Atbhuthakaramaya Akasam / 
by C.R. Narayanan 
 - Kottayam:  National book Stall,  1974 
 - p.85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500  / NAR-A