Bromley, R. G. (1965). Studies in the lithology and conditions of the Chalk Rock and comparable horizons. University of London.
Chicago-referens (17:e uppl.)Bromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.
MLA-referens (8:e uppl.)Bromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.
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