Slater, Peter J. B. <br/><br/>
An introduction to enthology / 
P. J. B. Slater. 
 - Cambridge :  Cambridge University Press,  1985. 
 - vi, 196 p. :  ill. ;  23 cm. 
<br/><br/>p. 187-188. 
<br/><br/><label>ISBN: </label>0521316057  RM53.22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal behavior.