References Singer, H., 1993, Food aid A Historical Perspective, in: World Food Programme Journal No. 25, July-Sept. Staatz, J.M. et al., 1990, Measuring Food Security in Africa: Conceptual, Empirical and Policy Issues, American Journal of Agricultural Economics. Tapsoba, E.K., 1990, Food security policy issues in West Africa: past lessons and future prospects, A critical view, FAO Economic and Social Development Paper 93, Rome. Timmer, C.P. et al., 1983, Food Policy Analysis, published for The World Bank, Baltimore and London. U. K. Government, Department of Health, 1991, Dietary Reference Values: A Guide, London. USAID 1995, Food Aid and Food Security Policy Paper, Washington D.C., February 27 Webb, P. and J. von Braun, 1994, Famine and Food Security in Ethiopia, IFPRI, Washington D.C. Webb, P. et al (eds.), 1992, Famine and Drought Mitigation in Ethiopia in the 1990s, IFPRI, Washington D.C. Webb, P. et al., 1992, Famine in Ethiopia: Policy Implications of Coping Failure at National and Household Levels, IFPRI Research Report No. 92, Washington D.C. WHO, 1983, Measuring Change in Nutritional Status, Guidelines for assessing the nutritional impact of supplementary feeding programmes for vulnerable groups, Geneva. WHO, 1996, Physical Status: the use and interpretation of anthropometry, WHO Technical Report Series, No. 854, Geneva. Woodward, D., 1992, Debt, Adjustment and Poverty in Developing Countries, Vol. I & II. Save the Children, London. World Bank & World Food Programme, 1991, Food Aid in Africa: An Agenda for the 1990s, Washington, D.C. and Rome, August World Bank, 1986, Poverty and Hunger, Issues and Options for Food Security in Developing countries, Washington D.C., World Bank, 1990, How Adjustment Programs Can Help the Poor The World Bank's Experience, Washington D.C. World Bank, 1990, Making Adjustment Work for the Poor, A Framework for Policy Reform in Africa, Washington D.C. -312 -