Wehr J.D & Sheath R.G. <br/><br/>
Freshwater Algae Of North America Ecology & Classification  Textual Documents 

 - 2002. 
 - [s.l]:  Elsevier Academy 
 - 917pg. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label> / WEH