Abeywickrama, B.A. <br/><br/>
The genera of the freshwater algae of Sri lanka 

 - Colombo  National science council   1986 
 - 45p., ill.,  27 cm 
 - Unesco : Man and the biosphere national committee for Sri lanka publication No.15 .
<br/><br/><label>Universal Decimal Class. No.: </label>(x)582.26  / ABE