1. Petrology of the Nandewar volcanoe, N.S.W. Australia;Abbott;Contr. Mineral. Petrol.,1969
2. Visible region absorption: spectra of a Ti3+ fassaite from the Allende meteorite: a discussion;Burns;Am. Mineral.,1973
3. Petrology of the Lovozero alkaline massif;Bussen,1972
4. Den vulkanske aske i Moleret samt en oversigt over Danmarks ældre Tertiærbjergarter;Bøggild;Dan. geol. Unders. række 2,1918
5. Petrology of the Red Wine alkaline complexes Central Labrador and a comparison with the Ilimaussaq Complex, South West Greenland;Currie;Geol Surv. Can. Pap. 75-1, Part A,1975