Edgar, K. M.; Wilson, P. A.; Sexton, P. F.; Gibbs, S. J.; Roberts, A. P.; Norris, R. D. (2010): New biostratigraphic, magnetostratigraphic and isotopic insights into the Middle Eocene Climatic Optimum in low latitudes. Elsevier, Amsterdam, Netherlands, Palaeogeography, Palaeoclimatology, Palaeoecology, 297 (3-4), 670-682, georefid:2011-015649