Gale, Andrew S.; Lovell, Bryan (2018). "Proceedings of the Geologists' Association". The Cretaceous–Paleogene Unconformity in England: Uplift and Erosion Related to the Iceland Mantle Plume. 129 (3): 421–435. doi:10.1016/j.pgeola.2017.04.002. S2CID133817989.
Gale, Andrew S.; Lovell, Bryan (2018). "Proceedings of the Geologists' Association". The Cretaceous–Paleogene Unconformity in England: Uplift and Erosion Related to the Iceland Mantle Plume. 129 (3): 421–435. doi:10.1016/j.pgeola.2017.04.002. S2CID133817989.