THE GENERA of the freshwater algae of sri lanka 
B.A. Abeywickrama...(et.al) 
 - Colombo  Natural Resources, Energy & Science Authority of Sri Lanka  1986 
 - 45 p. 
 - Man and the biosphere national committee for Sri Lanka publi .
<br/><br/><label>Dewey Class. No.: </label>589.3  / UNE