Ghirlanda, Stefano. <br/><br/>
Cultural Evolution Devolps Its Own Rules :   the rise of conservation and persuation. 

 - Chicago-US :   Department of Human Sciences,   2006. 
 - p. 1027-1034 
 - Trimestral 
 - Vol.47, no.6 (Dec. 2006) 
 - Current Anthropolgy ;   vol. 47 no. 6 .
 - Estados Unidos.   The University of Chicago Press. .
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