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Prasad, Vandana; Strömberg, Caroline A.E.; Alimohammadian, Habib; & Sahni, Ashok. (2005). „Dinosaur coprolites and the early evolution of grasses and grazers”. Science310 (5751): 1177–1180. DOI:10.1126/science.1118806. PMID16293759.
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Prasad, Vandana; Strömberg, Caroline A.E.; Alimohammadian, Habib; & Sahni, Ashok. (2005). „Dinosaur coprolites and the early evolution of grasses and grazers”. Science310 (5751): 1177–1180. DOI:10.1126/science.1118806. PMID16293759.