Ghosh, P., Bhattacharya, S. K., Sahni, A., Kar, R. K., Mohabey, D. M., and Ambwani, K. (2003) Dinosaur coprolites from the Late Cretaceous (Maastrichtian) Lameta Formation of India: isotopic and other markers suggesting a C3 plant diet: Cretaceous Research, v. 24, p. 743-750.