1. Kwandonkaya Complex;Bain,1923
2. The geology of some northern Nigerian anorogenic ring complexes;Bennett;British Geological Survey, Overseas Geology Mineral Resources,1984
3. Clinopyroxene compositional trends in oversaturated and undersaturated alkaline ring complexes;Bonin;Journal African Earth Sciences,1985
4. The geochemistry and mineralisation of alkaline ring complexes in Africa (a review);Bowden;Journal African Earth Sciences,1985
5. Niger-Nigerian alkaline ring complexes: a classic example of African anorogenic midplate magmatism;Bowden,1987