Ruttner, Franz,  1882-1961. <br/><br/>
Fundamentals of limnology / 
by Franz Ruttner ; translated by D.G. Frey and F.E.J. Fry. 
 - 3th ed. 
 - Toronto :  University of Toronto Press,  1953. 
 - xi, 295 p. :  ill. ;  24 cm. 
<br/><br/> Translation of: Grundriss der Limnologie, 2nd ed., 1952. 
<br/><br/>Bibliography and Indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology.<br/>Water balance<br/>Freshwater biology.
<br/><br/><label>Dewey Class. No.: </label>551.48  / RUF 1965