Bromley, R. G. (1965). Studies in the lithology and conditions of the Chalk Rock and comparable horizons. University of London.
Dyfyniad Arddull ChicagoBromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.
Dyfyniad MLABromley, Richard Granville. Studies in the Lithology and Conditions of the Chalk Rock and Comparable Horizons. University of London, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.