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Peer-reviewed journal articles

Asenso-Okyere, W. K., A. Anum, I. Osei-Akoto and A. Adukonu.  1998.  Cost Recovery in Ghana: Are There Any Changes in Health Care Seeking Behaviour?.  Health Policy and Planning, 13 (2)   : 181-188   .

Bationo, A., and P.L.G. Vlek.  1998.  The Role of Nitrogen Fertilizers Applied to Food Crops in the Sudano-Sahelian Zone of West Africa.  In: Renard, G., Neef, A., Becker, K. and von Oppen, M. (eds.): Soil Fertility Management in West African Land Use Systems. Proc. Regional Workshop Univ. Hohenheim, ICRISAT Sahelian Centre and INRAN 4-8 March 1997, Niamey, Niger. Margraf, Weikersheim.   41-51. 

Braun, J. von, and T. Feldbrügge.  1998.  Institutional Aspects of the Handling of Crises and Disasters in Developing Countries.  Economics, 57   : 95-114   .

Cruz, P.I., G.E. Molina, G. Cruz-Flores, I. Ortiz-Monasterio and G.G.B. Manske.  1998.  Colonizacion Micorrizica arbuscular, actividad de fosfatasica y longitud radical como repuesta a estres de fosforo en trigo y triticale cultivados en un Andisol.  Terra, 16 (1)   : 55-62   .

Holtz, U.  1998.  Towards a Europeanisation of aid?.  The Courier ACP-EU, 170   : 93-95   .

Rosegrant, M.W. and C. Ringler.  1998.  Impact on Food Security and Rural Development of Transferring Water out of Agriculture.  Water Policy 1(6), : pp.567-586   .

Sanetra, C.M., O. Ito, S.M. Virmani, and P.L.G. Vlek.  1998.  Remobilization of nitrogen from senescing leaves of pigeonpea (Cajanus cajan (L.) Millsp.): genotypic differences across maturity groups.  J. Exp. Bot., 49 (322)   : 853-862   .

van Edig, A.  1998.  Wasserkonflikte im Nahen Osten.  Blätter für deutsche und internationale Politik, 8/1998   .

Wick, B., R.F. Kühne, and P.L.G. Vlek.  1998.  Soil microbiological parameters as indicators of soil quality under improved fallow management systems in south-western Nigeria.  Plant and Soil, 202, 1998   : 97-107   .