1. The genesis of carbonate apatites;Ames;Econ. Geol.,1959
2. The petrology of glauconitic sandy chalks;Bailey;J. Sediment. Petrol.,1969
3. Notes on the mineralogy and origin of glauconite;Bentor;J. Sediment. Petrol.,1965
4. The glauconite deposits on the Agulhas Bank, South Africa;Birch;SANCOR Mar. Geol. Prog. Bull. No.4, Geol. Dept. Univ. of Cape Town,1971
5. Sediments on the Continental Margin off The West Coast of South Africa;Birch,1975