B. van Geel, J.A.A. Bos, J. van Huissteden, J.P. Pals, H. Schatz, J.M. van Mourik, G.B.A. van Reenen, J. Wallinga, and J. van der Plicht. 2010. “Palaeoecological Study of a Weichselian Wetland Site in the Netherlands Suggests a Link With Dansgaard-Oeschger Climate Oscillation”. Netherlands Journal of Geosciences 89 (December):187 - 201. https://doi.org/10.1017/S001677460000069X.