Schaller, George B. <br/><br/>
The mountain gorilla :  ecology and behavior / 
George B. Schaller. 
 - Chicago, Ill. :  University of Chicago Press,  1963. 
 - xvii, 431 p. :  ill., tables. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 407-422) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gorilla--Behavior.<br/>Gorilla--Ecology.<br/>Mammals--Behavior.<br/>Mammals--Ecology.