A MANUAL OF FRESH-WATER ALGAE 

 - S.E. 
 - Estados Unidos  SPARKS PRESS  1973 NEW YORK 
 - 323 
<br/><br/><label>LCCN: </label>75961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALGAS
<br/><br/><label>Dewey Class. No.: </label>589.3