Caldwell, John C. 1928- Food production and crisis in the West African savanah / John C. Caldwell. - Canberra, ACT : Australian National University Press, c1981. - iii, 28 p. : map. - Occassional paper (Australian National University. Development Studies Center) ; no. 25 . ISBN: 0909150435 Subjects--Topical Terms: Agriculture--Africa, West.Savanahs--Africa, West.