Welch, Paul S. <br/><br/>
Limnology / 
Paul S. Welch 
 - 2d ed. 
 - New York :  McGraw-Hill,  1952 [Reprint 1963]. 
 - xiii, 538 p. :  ill. ;  24 cm. 
 - McGraw-Hill publications in the zoological sciences ; .
 - McGraw-Hill publications in the zoological sciences ; .
<br/><br/>Includes Bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology.
<br/><br/><label>Dewey Class. No.: </label>551.48  / WEL 1963