[1]
H. I. Petersen, J. Andsbjerg, J. A. Bojesen-Koefoed, H. P. Nytoft, and P. Rosenberg, “Petroleum potential and depositional environments of Middle Jurassic coals and non-marine deposits, Danish Central Graben, with special reference to the Søgne Basin”, GEUS Bulletin, vol. 36, pp. 1-80, Aug. 1998.