Ratra, Parmindar S. <br/><br/>
A text book of algae / 
 A textbook of algae. 
by Parmindar S. Ratra. 
 - Delhi :  Atma Ram,  1978. 
 - 170 pages :  illustrations ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algae.