ROMAIN AMIOT, and XU WANG, and CHRISTOPHE LÉCUYER, and ERIC BUFFETAUT, and LARBI BOUDAD, and LIONEL CAVIN, and ZHONGLI DING, and FRÉDÉRIC FLUTEAU, and ALEXANDER W. A. KELLNER, and HAIYAN TONG, and FUSONG ZHANG, (2010) Oxygen and carbon isotope compositions 1 of Middle Cretaceous vertebrates from North Africa and Brazil; Ecological and environmental significance. Palaeogeography, Palaeoclimatology, Palaeocology. 297. (2010).439-451..