Gerking, Shelby Delos <br/><br/>
The biological basis of fresh water fish production 

 - Oxford  1967 
 - xiv, 495p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fishes
<br/><br/><label>LC Class. No.: </label>QL615.B5 1966b