McMillan, A. A. (2005), "A provisional Quaternary and Neogene lithostratigraphic framework Great Britain", Netherland Journal of Geosciences, 84 (2): 87–107, doi:10.1017/S0016774600022988, S2CID129552204.
McMillan, A. A. (2005), "A provisional Quaternary and Neogene lithostratigraphic framework Great Britain", Netherland Journal of Geosciences, 84 (2): 87–107, doi:10.1017/S0016774600022988, S2CID129552204.