Ward, Henry Baldwin. <br/><br/>
Fresh water biology / 

 - New York :  John Wiley and Sons,  1918. 
 - ix, 1111 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780282685317 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology<br/>Water quality<br/>Inland water ecology
<br/><br/><label>Dewey Class. No.: </label>591.929  / WAR