Methods for assessment of fish production in fresh waters / 
edited by Timothy Bagenal. 
 - 3rd ed. 
 - Oxford :  Blackwell Scientific Publications,  1978. 
 - xv ,365 p. :  ill. ;  21 cm. 
 - IBP handbook  no.3 .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0632001259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater fishes.<br/>Freshwater productivity.