@ARTICLE {NWOKE:2004a, title = {The distribution of phosphorus fractions and desorption characteristics of some soils in the moist savanna zone of West Africa}, author = {Nwoke, C. and Vanlauwe, B. and Diels, J. and Sanginga, P. and Osonubi, O. *}, journal = {Nutrient Cycling in Agroecosystems}, year = {2004}, volume = {69}, pages = {127--141}, }