Dupont, Lydie; Jahn, Britta; Donner, Barbara (2000): Vegetation changes in west Equatorial Africa in connection to the mid-Pleistocene climate transition (0.9-0.5 Ma). Elsevier, Oxford, United Kingdom, In: Avery, M. (editor), Partridge, T. (editor), INQUA abstracts; XV international congress, 63-64, 53, georefid:2011-097896