Prescott, G. W. <br/><br/>
How to know the fresh water algae / 
G. W. Prescott. 
 - Dubuque :  Brown,  1970. 
 - vii, 348 p. :  ill. ;  22 cm. 
 - The pictured key-nature series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>069748896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algae.
<br/><br/><label>Dewey Class. No.: </label>579.8