1. American Society For Testing And Materials, Publ. Nov. (1969) Part 23, pp. 512, 29–30, Reference Method C.
2. Methods for collection and analysis of water samples for dissolved minerals and gases;Brown;U.S. Geol. Sun. Techniques of Water Resources Inv., Book,1970
3. Analyses of silicate rock and mineral standards;Goldich;Can. J. Earth Sci.,1967
4. Alkali ion exchange between vapor and feldspar phases;Orville;Amer. J. Sci.,1963
5. Unit cell parameters of the microcline-low albite and the sanidine-high albite solid solution series;Orville;Amer. Mineral.,1967