van Beek , R., M.T.I.J. Gouw-Bouman, and J.A.A. Bos. 2015. “Mapping Regional Vegetation Developments in Twente (the Netherlands) since the Late Glacial and Evaluating Contemporary Settlement Patterns”. Netherlands Journal of Geosciences 94 (January):229-55. https://doi.org/10.1017/njg.2014.40.