A chronological framework for the British Quaternary based on Bithynia opercula

by Penkman, Kirsty E.H., Preece, Richard C., Bridgland, David R., Keen, David H., Meijer, Tom, Parfitt, Simon A., White, Tom S., Collins, Matthew J.
Published 2011

An aminostratigraphy for the British Quaternary based on Bithynia opercula

by Penkman, Kirsty E.H., Preece, Richard C., Bridgland, David R., Keen, David H., Meijer, Tom, Parfitt, Simon A., White, Tom S., Collins, Matthew J.
Published 2013