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Witton, Mark P. (2008): A new approach to determining pterosaur body mass and its implications for pterosaur flight. In: Zitteliana, Vol. B 28: pp. 143-158
Martill, David M. and Witton, Mark P. and Gale, Andrew (2008): Possible azhdarchoid pterosaur remains from the Coniacian (Late Cretaceous) of England. In: Zitteliana, Vol. B 28: pp. 209-218