van Duin A.C.T.; Sinninghe Damste J.S.; Koopmans M.P.; van de Graaf B.; De Leeuw J.W.(1997)
Hydrous pyrolysis, performed at relatively low temperatures, of an immature marl yielded artificial maturation data on changes in homohopane isomer compositions. At higher temperatures enhanced amounts of 17α,21β(H)- and ...