1. Some geochemical characteristics of alkaline rocks of Mada younger granite complex, Nigeria;Abaa,1983
2. Jabel al Wask, NW Saudi Arabia: an Eocambrian back-arc ophiolite?;Bakor;Earth Planet. Sci. Lett.,1976
3. The Iforas provinces of saturated alkaline ring complexes;Black,1983
4. The alkaline igneous ring complexes: their geochemistry and mineralisation;Bowden,1983
5. Geochronological investigations in the Mahd Adh Dhabab Quadrangle, Central Arabian Shield;Calvez;Bur. Rech. geol. Min. Tech. Rec.,1982