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APA Citation
Ronan, J., Duffin, C. J., Hildebrandt, C., Parker, A., Hutchinson, D., Copp, C., & Benton, M. J. (2020). beginning of Mesozoic marine overstep of the Mendips: The Rhaetian and its fauna at Hapsford Bridge, Vallis Vale, Somerset, UK. Proceedings of the Geologists' Association, 131(5), 578–594. http://access.bl.uk/ark:/81055/vdc_100115125077.0x000063