Pentecost, Allan. <br/><br/>
Introduction to freshwater algae / 
by Allan Pentecost. 
 - Richmond, Survey :  Richmond Pub. Co,  1984. 
 - 247 p. :  ill. ;  23 cm. 
<br/><br/> Errata slip inserted. 
<br/><br/>Bibliography and indexes. 
<br/><br/><label>ISBN: </label>0855461446  cased 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater algae.