Macan, T. T. <br/><br/>
Freshwater ecology 
T. T. Macan 
 - 2nd ed. 
 - New York :  John Wiley & Sons,  1974 
 - viii, 343 p. :  ill. ;  22 cm. 
<br/><br/> 'A Halsted Press book' 
<br/><br/>p. (293-331) 
<br/><br/><label>ISBN: </label>0470561491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater ecology