WETZEL , R. G. <br/><br/>
Intemational association of theoretical and applied limnology 

 - Stuttgart  E . schweizerbate ' scheverla  gsbuchhandl1974 
 - 404P. 
<br/><br/><label>ISBN: </label>3510520203 
<br/><br/><label>Dewey Class. No.: </label>551.48