1. The origin and distribution of methane in marine sediments;Claypool,1974
2. Geochemical surface exploration for hydrocarbons in the North Sea;Faber;American Association of Petroleum Geologists Bulletin,1984
3. The Sediments of the South Irish Sea and the Nymphe Bank area of the Celtic Sea;Garrard,1977
4. The Control of Landfill Gas;Her Majesty's Inspectorate of Pollution,1989
5. Seabed pockmarks and seepages;Hovland,1988