@misc{Mead, author = {Mead, Margaret}, title = {Preface}, series = {M. Mead (Ed.), Cooperation and Competition among Primitive Peoples, Boston (Beacon Press) 1961, pp. IX-XIII.}, journal = {M. Mead (Ed.), Cooperation and Competition among Primitive Peoples, Boston (Beacon Press) 1961, pp. IX-XIII.}, language = {en} }