Cohen , K.M., P.L. Gibbard, and H.J.T. Weerts. “North Sea Palaeogeographical Reconstructions for the Last 1 Ma”. Netherlands Journal of Geosciences (June 24, 2014): 7-29. Accessed March 27, 2026. https://njgjournal.nl/index.php/njg/article/view/11947.