@PROCEEDINGS {LAWSON:1978a, title = {Drought on Desertification: A Case Study of Recent Tendency in Rainfall in the Savanna Zone of the Republic of Benin}, author = {Lawson, T. L. and Yehouenou, A. }, booktitle = {Paper presented at the Workshop of Applied Climatology, International Geographical Union, University of Ibadan, Ibadan, Nigeria. July 24 - 31, 1978}, year = {1978}, }