P. G. E. F. Augustinus and H. Th. Riezebos (1971) “Some sedimentological aspects of the fluvioglacial outwash plain near Soesterberg (The Netherlands)”, Netherlands Journal of Geosciences, pp. 341-348. Available at: https://njgjournal.nl/index.php/njg/article/view/14839 (Accessed: 31August2026).