ECOLOGY of freshwater fish production 
/edited by Shelby D.Gerking 
 - Oxforrd  Blackwell Scientific Publication  1978 
 - xiv, 520 p. 
<br/><br/> Includes references and index.<br/> 
<br/><br/><label>ISBN: </label>632002565 
<br/><br/><label>Dewey Class. No.: </label>597  / ECO