1. Geological Map of Nigeria, 1 : 1,000,000;Dessauvagie;J. Min. Geol.,1974
2. Marginal fracture zones as structural framework of continental margins in the South Atlantic Ocean;Francheteau;J. Geophys. Res.,1972
3. Precambrian crustal development in western Nigeria; indications from the Iwo region;Hubbard;Geol. Soc. Am. Bull.,1975
4. Le fosse Cretace du Sud-Adamaoua, Cameroun;Le Marechal,1970
5. Pan-African orogeny in northern Nigeria;McCurry;Geol. Soc. Am. Bull.,1971