Dutta, S.; Greenwood, P.; Brocke, R.; Hartkopf-Fröder, C.; Schaefer, R. G.; Wilkes, H.; Mann, U. (2005): Tricyclic terpenoids from Paleozoic tasmanites: a question of evolution, site or taxa?. Organic Geochemistry: Challenges for the 21th Century, 22nd International Meeting on Organic Geochemistry (22 IMOG) (Seville, Spain 2005), 718-719.