Cren, E. D. Le <br/><br/>
The functioning of freshwater ecosystems 

 - Cambridge  : Cambridge University Press  1980 
 - xxix,588p.  : ill.  ; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater productivity<br/>Fresh water, <br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541.5.F7F86