Meijer , T., Pouwer , R., Cleveringa , P., de Wolf , H., Busschers , F.S. and Wesselingh , F.P. 2021. Fossil molluscs from borehole Hollum (Ameland, the Netherlands) constrain three successive Quaternary interglacial marine intervals in the southern North Sea Basin. Netherlands Journal of Geosciences. 100, (May 2021). DOI:https://doi.org/10.1017/njg.2021.2.