Smith, Gilbert M. <br/><br/>
The fresh-water Algae of the United states. / 
Gilbert M. Smith 
 - 2nd ed. 
 - New York:   Mcgraw Hill Book,  c1950 
 - vii, 719p.  
<br/><br/>Includes bibliog, illus( Mcgraw-Hill publications in botanical sciences) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany, Zoology
<br/><br/><label>Dewey Class. No.: </label>589.30973 SMF