1. Abdel-Gawad AM, Kerr PF (1961) Urano-organic mineral association. Am Mineral 46: 402?419
2. Ballantyne SB, Littlejohn AL (1982) Uranium mineralization and lithogeochemistry of the Surprise Lake Batholith, Atlin, British Columbia. Geol Surv Can Pap 81-23: 145?155
3. Barritt SD (1983) The controls of radioelement distribution in the Etive and Cairngorm granites: implications for heat production. Ph.D. Thesis, Open University (Milton Keynes, U.K.)
4. Bowden P, Kinnaird JA (1984) Geology and mineralization of the Nigerian anorogenic ring complexes. Geol Jb B 56: 3?65
5. ??,Bennett JN, Kinnaird JA, Whitley JE, Abaa SI, Hadzigeorgiou-Stavrakis PK (1981) Uranium in the Niger-Nigeria Younger Granite Province. Mineral Mag 44: 379?389