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2. East Anglia and Adjoining Areas;Chatwin;Brit. reg. Geol.,1954
3. The Glacial Succession on the North Norfolk Coast;Solomon;Proc. Geol. Ass., Lond.,1932
4. The Glacial Sequence in Lincolnshire;Straw;East Midland Geographer,1958
5. Glazialmorphologische untersuchungen in Ostengland;Valentin;Abh. Geogr. Inst. Freie Univ. Berlin,1957