1. Abbotts, I.L. (ed.) 1991. United Kingdom Oil and Gas Fields. Geological Society, London Memoirs, 14.
2. Present and Past geothermal regimes and source rock maturation, Peace River Arch area, Canada;Bachu;American Association of Petroleum Geologists Bulletin,1992
3. Hydrothermal gold mineralization in the Witwatersrand basin
4. Formation of Graphitizing Carbons from the Liquid Phase
5. Busttn, R.M., Cameron, A.R., Grieve, D.A. & Kalkreuth, W.D. 1985. Coal petrology, its principles, methods and applications. Geological Association of Canada, Short Course Notes, 3.