1. Pyroxenes of the Bushveld intrusion, South Africa;Atkins;J. Petrol.,1969
2. The stability of acmite in the presence of H2O;bailey;Am. J. Sci.,1969
3. Magmatic trends on alkali-iron-magnesium diagrams;Barker;Am. Miner.,1978
4. Pyroxenes from the alkaline rocks of Itapirapua, São Paulo, Brazil;de Barres Gomes;Am. Miner.,1970
5. Late palaeozoic to recent igneous activity in West Africa and its relationship to basement structure;Black,1970