1. Temperatures and depth-dependent heat flow in western North Sea;Andrews-Speed;Bull. Am. Assoc. Pet. Geol.,1984
2. Terrestrial heat flow in Great Britain;Benfield,1939
3. Heat flow in a blind geothermal area near Marysville, Montana;Blackwell;Geophysics,1973
4. Heat flow in South Africa;Bullard,1939
5. Terrestrial heat flow in England;Bullard;Mon. Not. R. Astron. Soc. Geophys.,1951