Ruttner, Franz. <br/><br/>
Fundamentals of limnology / 
tr. by D.G. Frey and F.E.J. Fry. 
 - 3rd ed. 
 - [Toronto] :  University of Toronto Press,  [1966] 
<br/><br/> First published in 1963. 
<br/><br/>Bibliography : p. [262]-279. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology.<br/>Limnology.