Bakels C. 2016. Posterholt, a Late Pleistocene – Holocene record of the vegetation history in and around the valley of the Vlootbeek, a tributary of the river Meuse (southeastern Netherlands). Netherlands Journal of Geosciences. 96, (Dec. 2016), 175-182. DOI:https://doi.org/10.1017/njg.2016.44.