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2. The Periglaciation of Great Britain;Ballantyne,1994
3. Late Quaternary scour-hollows and related features in central London;Berry;Quarterly Journal of Engineering Geology and Hydrogeology,1979
4. Periglacial geohazards in the UK;Berry,2020
5. Deformation of weathered profiles below head at Constantine Bay, north Cornwall;Cresswell;Proceedings. Ussher Society,1983