Kottack, C. P. 1972. Ecological variables in the origin and evolution of African States: the Buganda example. Comparative Studies in Society and History 14. 351-380.
@article{kottack1972, author = {Kottack, C. P.}, journal = {Comparative Studies in Society and History}, key = {Kottack (1972)}, pages = {351-380}, title = {Ecological variables in the origin and evolution of African States: the Buganda example}, volume = {14}, year = {1972} }