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Chorley, Richard J., Antony J. Dunn, R. P. Beckinsale, T.P Burt, Denys Brunsden, N. J. Cox, and Andrew Goudie. The History of the Study of Landforms: Or, The Development of Geomorphology. [London], [New York], London: Methuen Wiley The Geological Society, 1964.

Chorley, Richard J., et al. The History of the Study of Landforms: Or, The Development of Geomorphology. Methuen Wiley The Geological Society, 1964.