Gröcke, D., Price, G., Ruffell, A., Mutterlose, J., & Baraboshkin, E. (2003). Isotopic evidence for Late Jurassic-Early cretaceous climate change. Palaeogeography, Palaeoclimatology, Palaeoecology, 202(1-2), 97-118. https://doi.org/10.1016/s0031-0182%2803%2900631-x