Mannion, Philip D. & Calvo, Jorge, O. 2011. Anatomy of the basal titanosaur (Dinosauria, Sauropoda) *Andesaurus delgadoi* from the mid-Cretaceous (Albian--early Cenomanian) Rio Limay Formation, Neuquen Province, Argentina: Implications for titanosaur systematics. _Zoological Journal of the Linnaean Society_ 163(1):155-181.
http://onlinelibrary.wiley.com/doi/10.1111/j.1096-3642.2011.00699.x/abstract