Frey, David G.  1915-1992, <br/><br/>
Limnology in North America / 
edited by David G. Frey 
 - Madison :  University of Wisconsin Press,  1963. 
 - xvii, 734 p. :  illus., ports., maps. ;  27 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>LCCN: </label>63-007540 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology--North America.
<br/><br/><label>Dewey Class. No.: </label>551.48097