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Bristow, C. R. & Mortimore, R. N . 1997. Lithostratigraphy for mapping the Chalk of Southern England. Proceedings of the Geologists' Association. 109, 293–315.
Duperret, A., Mortimore, R. N. Pomerol, B. Genter, A. & Martinez, A. 2002. L'Instabilité des Falaises de la Manche en Haute-Normandie. Analyse Couplée de la Lithostratigraphie de la Fracturation et des Effrondements. Bulletin d'Information des Géologues du Bassin de Paris, 39, 5–26.
Hutchinson, J. N. 2002. Chalk flows from coastal cliffs of north-west Europe. In: De Graff, J. V. & Evans, S. G. (eds) Catastrophic Landslides: Occurrence and Effects, Geological Society of America, Reviews in Engineering Geology, 14, 257–302.
Lord, J. A., Clayton, C. R. I. & Mortimore, R. N. 2002. Engineering in Chalk, Construction Industry Research and Information Association CIRIA Publication C574.
Mortimore, R. N. 1986a. Stratigraphy of the Upper Cretaceous White Chalk of Sussex. Proceedings of the Geologists' Association. 97, 97–139.
Mortimore, R. N. 1986a. Report on mapping of the Chalk Channel coast of France from Port du Havre-Antifer to Ault, June-September 2001, 97, 97–139. Bureau de Recherches Géologiques et Minibres (BRGM) BP 6009 -45060, Orélans cedex 2, France.
Rawson, P.F., Allen, P. & Gale, A. S. 2001. The Chalk Group – a revised lithostratigraphy. Geoscientist, 11, 21.
ROCC database and GIS www.bton.ac.uk/environment/ROCC.
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