Oborn, Eugene T. <br/><br/>
Intracellular and extracellular concentration of manganese and other elements by aquatic organisms / 
Eugene T.  Oborn 
 - Washington, D.C. :  United States Government Printing Office,  1964 
 - iii, 18 p. :  ill. ;  14 cm. 
<br/><br/> Chemistry of manganese in natural water 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology
<br/><br/><label>Dewey Class. No.: </label>577.6