Therrien, F.; Zelenitsky, D.K.; Weishampel, D.B. (2009). "Palaeoenvironmental reconstruction of the Late Cretaceous Sânpetru Formation (Haţeg Basin, Romania) using paleosols and implications for the "disappearance" of dinosaurs". Palaeogeography, Palaeoclimatology, Palaeoecology. 272 (1–2): 37–52. Bibcode:2009PPP...272...37T. doi:10.1016/j.palaeo.2008.10.023.
B. Vila; A. Galobart; J.U. Canudo; J. Le Loeff; et al. (2012). "The diversity of sauropod dinosaurs and their first taxonomic succession from the latest Cretaceous of southwestern Europe: Clues to demise and extinction". Palaeogeography, Palaeoclimatology, Palaeoecology. 350–352 (15): 19–38. Bibcode:2012PPP...350...19V. doi:10.1016/j.palaeo.2012.06.008.
Therrien, F.; Zelenitsky, D.K.; Weishampel, D.B. (2009). "Palaeoenvironmental reconstruction of the Late Cretaceous Sânpetru Formation (Haţeg Basin, Romania) using paleosols and implications for the "disappearance" of dinosaurs". Palaeogeography, Palaeoclimatology, Palaeoecology. 272 (1–2): 37–52. Bibcode:2009PPP...272...37T. doi:10.1016/j.palaeo.2008.10.023.
B. Vila; A. Galobart; J.U. Canudo; J. Le Loeff; et al. (2012). "The diversity of sauropod dinosaurs and their first taxonomic succession from the latest Cretaceous of southwestern Europe: Clues to demise and extinction". Palaeogeography, Palaeoclimatology, Palaeoecology. 350–352 (15): 19–38. Bibcode:2012PPP...350...19V. doi:10.1016/j.palaeo.2012.06.008.