{"id":"000031185","type":"book","title":"The history of Maize in Africa","publisher":"South African Association for the Advancement of Science","publisher-place":"Johannesburg /[u.a","container-title":"South African journal of science, 8, S.197, - 200","author":[{"family":"Jeffreys","given":"M. D. W."}],"issued":{"raw":"1954"}}