1. The sediments of the Humber estuary mouth and the adjacent coastline;Al-Bakri,1980
2. Regional petrology of the southern North Sea;Baak,1936
3. Procedures in Sedimentary Petrology;Carver,1971
4. The Pleistocene deposits of Holderness, East Yorkshire;Catt,1966
5. Geology of part of southern North Sea;Donovan;Nature,1965