Frey, David G.  1915-1992, <br/><br/>
Limnology in North America. 

 - Madison,  University of Wisconsin Press,  1963. 
 - xvii, 734 p.  illus., ports., maps.  27 cm. 
<br/><br/><label>LCCN: </label>63007540  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology--North America.<br/>Limnologia
<br/><br/><label>LC Class. No.: </label>QH96  / .F7 
<br/><br/><label>Dewey Class. No.: </label>551.48