Welch, P.S. <br/><br/>
Limnology 

 - 2nd ed. 
 - New York  McGraw-Hill  1952 
 - xi,538p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Limnology
<br/><br/><label>Dewey Class. No.: </label>628.16  / W