1. Palynology and age of the Kerikeri Formation, Nigeria;Adegoke;Revista Espanola de Micropaleontologia,1978
2. Stratigraphy of the Middle Niger Embayment near Bida, Nigeria;Adeleye,1972
3. Preliminary report on the Geology of the Agbaja Ironstone, Agbaja Plateau;Adeleye;Nigerian Journal of Science,1975
4. Geology of Upper Cretaceous rocks in the eastern Bida Basin, Central Nigeria;Agyingi,1991
5. Pollen du Crétacé Moyen du Gabon attribué aux Ephedrales;Azema;Paleobiologie Continentale,1974