Fuente:
M. R BHATIA. (1985). Plate Tectonics and Geochemical Composition of Sandstones: A Reply. Australian Aquitaine Petroleum Pty. Ltd., P. O. Box 725, North Sydney, N. S. W. 2060 Australia
William R. Dickinson and Christopher A. Suczek. Plate Tectonics and Sandstone Compositions. The American Association of Petroleum Geologists Bulletin V. 63, No. 12 (December 1979), P2164-2182, 7 Figs., 1 Table.