Nijenhuis, Ivar A.; Becker, Julia; de Lange, Gert J. (2001): Geochemistry of coeval marine sediments in Mediterranean ODP cores and a land section; implications for sapropel formation models. Elsevier, Amsterdam, Netherlands, Palaeogeography, Palaeoclimatology, Palaeoecology, 165 (1-2), 97-112, georefid:2001-012464