Baerends, Gerardus Pieter. <br/><br/>
An introduction to the study of the ethology of cichlid fishes / 
by G.P. Baerends and J.M. Baerends-Van Roon. 
 - Leiden :  Brill,  1950. 
 - Behaviour; an international journal of comparative ethology. ;  Supplement 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cichlids.<br/>Fishes -- Behavior.--Fishes -- Behavior.