Fagen, Robert. <br/><br/>
Animal play behavior  [[Book] /] 
Robert Fagen. 
 - New York :  Oxford University Press,  1981. 
 - xvii, 684 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 562-652. 
<br/><br/><label>ISBN: </label>0195027604 0195027612 (pbk.) 0195027612 0195027612 (pbk) 0195027604  
<br/><br/><label>LCCN: </label>80011396  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Play behavior in animals.<br/>Comportement ludique chez les animaux.<br/>Play behavior in animals.
<br/><br/><label>LC Class. No.: </label>QL763.5.F33QL763.5.F33a  / QL763.5.F33QL763.5.F33b QL763.5  / .F33 
<br/><br/><label>Dewey Class. No.: </label>599.051 599.051 599.051 
<br/><br/><label>National Library of Medicine Call No.: </label> / FA