1. A Review of Geochemical Data Related to the Northwest European Gas Province
2. (1985) Spurn Sheet 53°N-00° British Geological Survey 1 : 250 000 Series Solid Geology. BGS.
3. Bulat J. Stoker S. J. (1987) in Petroleum Geology of North West Europe, Uplift determination from interval velocity studies, UK southern North Sea, eds Brooks J. Glennie K. (Graham & Trotman, London), pp 293–305.
4. A chemical kinetic model of vitrinite maturation and reflectance
5. An interpretation of vitrinite reflectance data from the Southern North Sea basin;Cope,1986