1. Magmatic fluids in the Fen carbonatite complex, S.E. Norway;Andersen;Contrib. Mineral. Petrol.,1986
2. Quantitative analysis of silicate and oxide minerals;Armstrong,1988
3. Field relations of carbonatites;Barker,1989
4. Neodymium and strontium isotope geochemistry of carbonatites;Bell,1989
5. Bell D. R. and Hoering T. C. (1996) Isotopic studies of mantle hydrogen. In Reactivity and Mobility of Geologic Fluids: Constraints from Inorganic Geochemistry, pp. 8. Oak Ridge, Tennessee, USA.