An introduction to stratigraphy (British Isles) - Stamp, L. Dudley (Laurence Dudley), 1898-1966. (London, T. Murby, 1934)
"References (Chapter I)": p. 26; "Hints in the study of stratigraphy": p. 353-356.
Keywords: Geology, Stratigraphic; Geology -- Great Britain