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S.C. Bennett, [0043:STPOTC2.0.CO;2 Soft tissue preservation of the cranial crest of the pterosaur Germanodactylus from Solnhofen], in Journal of Vertebrate Paleontology, vol. 22, n. 1, 2002, pp. 43–48, DOI:10.1671/0272-4634(2002)022[0043:STPOTC]2.0.CO;2.