1. Studies on the igneous rock complex of the Oslo region, 4. Fluorine in the Oslo petrographic province;Barth;Skrifter Norske Videnskap-Akad. Oslo, I: Mat.-Naturv. Kl.,1945
2. The cerium(III)-alizarin complexan-fluoride reaction;Belcher;Talanta,1961
3. A rapid method for the determination of fluoride in silicate rocks;Bloxam;Chem. Geol.,1968
4. Palaeontological and geochemical facies in the Gastrioceras subcrenatum marine band and associated rocks from the south Wales coalfield;Bloxam;Quart. J. Geol. Soc. London,1969
5. Fractionation of soil phosphorous;Chang;Soil Sci.,1957