Boot, C. S.; Ettwein, V. J.; Maslin, M. A.; Weyhenmeyer, C. E.; Pancost, R. D. (2006): A 35,000 year record of terrigenous and marine lipids in Amazon Fan sediments. Elsevier, International, Organic Geochemistry, 37 (2), 208-219, georefid:2009-027139