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

 - New York,   McGraw-Hill,   1952,  
 - 538p.  25cm,  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology 
<br/><br/><label>Dewey Class. No.: </label>551.481  / WEL