Lagler, Karl F.  <br/><br/>
Freshwater fishery biology 
Karl F. Lagler  
 - 2nd ed.  
 - Iowa   Wm. C. Brown   1956 
 - xii,421p.:ill.;24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fresh-water biology<br/>Limonology
<br/><br/><label>Dewey Class. No.: </label>CB  / 597.09297 LAG