1. Foreland basins: an introduction;Allen,1986
2. A contribution to the stratigraphy of the Birimian System of Ghana, West Africa;Asihene;Ghana Geol. Surv. Rep. 75,1975
3. Géologie de l'Afrique, vol. I, Craton de I'Ouest Africain;Bessoles;Bur. Rech. Geol. Min. Mém.,1977
4. A brief outline of the geology of West Africa;Black,1983
5. The Early Proterozoic greenstone belts of the northern Guyana Shield, S. America;Choudhuri;Precambrian Res.,1980