1. En geokjemisk-petrologisk undersøkelse av de intrusive bergartene i Sande Cauldron, Oslofeltet;Andersen,1981
2. The stability of acmite in the presence of H2O;Bailey;Am. J. Sci.,1969
3. Studies on the Igneous Rock Complex of the Oslo region, II. Systematic petrography of the plutonic rocks;Barth;Skr. Nor. Vidensk. Akad. Oslo,1945
4. Iron-titanium oxide minerals and synthetic equivalents;Buddington;J. Petrol.,1964
5. The phase equilibrium of intermediate compositions on the pseudobinary Na2Ca Mg5Si8O22(OH)2Na2CaFe5Si8O22(OH)2;Charles;Am. J. Sci.,1977