Henk J.T. Weerts, and Henk J.A. Berendsen. 1995. “Late Weichselian and Holocene Ftuvial Palaeogeography of the Southern Rhine-Meuse Delta (the Netherlands)”. Netherlands Journal of Geosciences 74 (January):199-212. https://doi.org/10.70712/njg.v74.12421.