Vidyasagar <br/><br/>
Prapancha Nigoodathakalude Anavaranam 

 - Thiruvananthapuram  Mythri Books  2006 
 - 335p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--General Stack--Astronomy & allied sciencesSpecific celestial bodies & phenomenaMalayalam
<br/><br/><label>Dewey Class. No.: </label>523.1  / VID-P