@BOOK {WEBER:1989,
title = {Macroeconomic data related to production, consumption and nutrition},
author = {Weber, G. and Akalumbe, A. O. },
booktitle = {Maize databse for sub-Saharan Africa: 1},
year = {1989},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
}