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Butler, Richard J.; and Galton, Peter M. The 'dermal armour' of the ornithopod dinosaur Hypsilophodon from the Wealden (Early Cretaceous: Barremian) of the Isle of Wight: a reappraisal. Cretaceous Research. 2008, 29 (4): 636–642. doi:10.1016/j.cretres.2008.02.002.引文使用过时参数coauthors (帮助)
