Dunbar, R. I. M. (Robin Ian MacDonald),  1947- <br/><br/>
Primate social systems / 
Robin I. M. Dunbar. 
 - Ithaca :  Comstock Publishing Associates,  1988. 
 - 373 p :  ill. ;  24 cm. 
<br/><br/>references p. 330-370. 
<br/><br/><label>ISBN: </label>0801420873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primates--Behavior.<br/>Social behavior in animals.<br/>Mammals--Behavior.