1. Origin of ironstones, an example from the middle Niger Valley, Nigeria;Adeleye;J. Sediment. Petrol.,1973
2. Etude sédimentologique du delta de la Mahakam;Allen;Notes Mém. Comp. Fr. Pét.,1979
3. Diagenesis of the Clinton hematite ores of New York;Alling;Bull. Geol. Soc. Am.,1947
4. Structures of layer silicates;Bailey,1980
5. Before Pangea The geographies of the Paleozoic World;Bambach;Am. Sci.,1980