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harvard.edu
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Langston, W. Jr. (1975). «The Ceratopsian Dinosaurs and Associated Lower Vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, Southern Alberta». Canadian Journal of Earth Sciences12 (9): 1576-1608. Bibcode:1975CaJES..12.1576L. doi:10.1139/e75-142.
Quinney, Annie; Therrien, François; Zelenitsky, Darla K.; Eberth, David A. (2013). «Palaeoenvironmental and palaeoclimatic reconstruction of the Upper Cretaceous (late Campanian–early Maastrichtian) Horseshoe Canyon Formation, Alberta, Canada». Palaeogeography, Palaeoclimatology, Palaeoecology371: 26-44. Bibcode:2013PPP...371...26Q. doi:10.1016/j.palaeo.2012.12.009.
Larson, Derek W.; Brinkman, Donald B.; Bell, Phil R. (2010). «Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed». Canadian Journal of Earth Sciences47 (9): 1159-1181. Bibcode:2010CaJES..47.1159L. doi:10.1139/e10-005.
issn.org
portal.issn.org
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Erickson, Gregory M.; Druckenmiller, Patrick S. (December 2011). «Longevity and growth rate estimates for a polar dinosaur: aPachyrhinosaurus(Dinosauria: Neoceratopsia) specimen from the North Slope of Alaska showing a complete developmental record». Historical Biology23 (4): 327-334. ISSN0891-2963. doi:10.1080/08912963.2010.546856.
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