Axelrod, Herbert R. <br/><br/>
All about discus 

 - Hong Kong :  T.F.H. Publications,  1978 
 - 128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DISCUS (FISH)<br/>FISH-CULTURE
<br/><br/><label>LC Class. No.: </label>SF485 .D5  / A934A