Ponnamperuma, Siril <br/><br/>
ජීවයේ සම්භවය 
= jiwaye sambhawaya (The origins of life) 


 - Colombo:  Marga ayathanaya,  1976. 
 - 218p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>577  / PON