Ellen, Roy. <br/><br/>
Environment, subsistence, and system :   the ecology of small-scale social formations /  
Roy Ellen. 
 - [Cambridge [Cambridgeshire ;   New York :   Cambridge University Press,   1982. 
 - 324 p. :   ill. ;   24 cm. 
 - Themes in the social sciences. .
<br/><br/>Includes bibliographies reference and index. 
<br/><br/><label>ISBN: </label>0521244587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethnology--Philosophy.<br/>Human beings--Effect of environment on.<br/>Ethnology--Methodology.
<br/><br/><label>Dewey Class. No.: </label>304  / R E