Schmitz, L.; Motani, R. (2011). „Nocturnality in Dinosaurs Inferred from Scleral Ring and Orbit Morphology”. Science332 (6030): 705–8. DOI:10.1126/science.1200043. PMID21493820.
Schmitz, L.; Motani, R. (2011). „Nocturnality in Dinosaurs Inferred from Scleral Ring and Orbit Morphology”. Science332 (6030): 705–8. DOI:10.1126/science.1200043. PMID21493820.