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^Kirkland, Agullion-Martinez, Hernandez-Rivera, and Tidwell. A late Campanian brachiosaurid proximal caudal vertebra from Coahuila, Mexico: evidence against a Cretaceous North American sauropod hiatus. Journal of Vertebrate Paleontology 20 (supplement to Number 3), Abstracts of Papers, Sixtieth Annual Meeting. 2000: pp. 51A–52A. 引文格式1维护:冗余文本 (link)
^Lim, J.-D.; Martin, L.D.; Baek, K.-S. The first discovery of a brachiosaurid from the Asian continent. Naturwissenschaften (Springer Berlin). March 2001, 88 (2): 82–84. doi:10.1007/s001140000201.引文使用过时参数coauthors (帮助)