1. Les dunes maritimes de l'Afrique occidentale, la fixation des dunes de Dakar;Adam,1971
2. The formation and nitrogen fixing activity of the root nodules of Alnus glutinosa under field conditions;Akkermanns,1976
3. The relationship of red pine site index to soil phosphorus extracted by several methods;Alban,1972
4. Introduction to Soil Microbiology;Alexander,1977
5. Coastal sand dune stabilization in Senegal;Andéké-Lengui,1983