ABSTRACT
Minerals and their X-ray Identification, G.W. Brindley and G. Brown (eds), Mineralogical Society, London, 305-360.
Griffin, O.G. (1954) A New Internal Standard for the Quantitative X-ray Analysis of Shales and Mine Dusts, Res. Rep. No. 101, S. Afr. Mines Res. Est., 1-25, Min. of Fuel and Power, Sheffield.
