Dubreuil, C.; Derenne, S.; Largeau, C.; Berkaloff, C.; Rousseau, B. (January 1989). "Mechanism of formation and chemical structure of Coorongite—I. Role of the resistant biopolymer and of the hydrocarbons of Botryococcus braunii. Ultrastructure of Coorongite and its relationship with Torbanite". Organic Geochemistry. 14 (5): 543–553. Bibcode:1989OrGeo..14..543D. doi:10.1016/0146-6380(89)90034-X.
Dubreuil, C.; Derenne, S.; Largeau, C.; Berkaloff, C.; Rousseau, B. (January 1989). "Mechanism of formation and chemical structure of Coorongite—I. Role of the resistant biopolymer and of the hydrocarbons of Botryococcus braunii. Ultrastructure of Coorongite and its relationship with Torbanite". Organic Geochemistry. 14 (5): 543–553. Bibcode:1989OrGeo..14..543D. doi:10.1016/0146-6380(89)90034-X.