Peterson, Nicolas.
Demand sharing : Reciprocity and the pressure for generosity among foragers. - Washington, DC : American Anthropological Association, 1993. - p. 860-874 - trimestral - Vol.95, no.4(Dec.1993) - American Anthropologist ; vol.95, no.4 . - Estados Unidos. American Anthropological Association. .
Demand sharing : Reciprocity and the pressure for generosity among foragers. - Washington, DC : American Anthropological Association, 1993. - p. 860-874 - trimestral - Vol.95, no.4(Dec.1993) - American Anthropologist ; vol.95, no.4 . - Estados Unidos. American Anthropological Association. .
