Lakin, R.J. & Duffin, C.J. & Hildebrandt, C. & Benton, M.J. (2016)
The Rhaetian vertebrates of Chipping Sodbury, South Gloucestershire, UK, a comparative study.
Proceedings of the Geologists' Association, 127(1), 40–52 DOI: 10.1016/j.pgeola.2016.02.010