Silberbauer, G. B. 1981. Hunter-gatherers of the central Kalahari. In Harding, Robert S.O. and Teleki, Geza P. (eds.), Omnivorous Primates: Gathering and Hunting in Human Evolution, 454-498. New York: Columbia Univ. Press.
@incollection{silberbauer1981b, address = {New York}, author = {Silberbauer, G. B.}, booktitle = {Omnivorous Primates: Gathering and Hunting in Human Evolution}, editor = {Harding, Robert S.O. and Teleki, Geza P.}, key = {Silberbauer (1981b)}, pages = {454-498}, publisher = {Columbia Univ. Press}, title = {Hunter-gatherers of the central Kalahari}, year = {1981} }