Petroleum potential and depositional environments of Middle Jurassic coals and non-marine deposits, Danish Central Graben, with special reference to the Sogne Basin / H. I. Petersen, J. Andsbjerg, J. A. Bojesen-Koefoed, H. P. Nytoft, 1998. - 78 p. - Текст : непосредственный.
Petersen H.I. Depositional environments of coals and associated siliclastic sediments in the lower and middle jurassic of Denmark Oresund-5,-7,-13,-15 and- 18 wells / H.I.Petersen, 1994. - 55 p. - Текст : непосредственный.