P. Buurman, A.G. Jongmans, J. Broekhuizen and R. Miedema (1985) “Genesis of the flint eluvium and related beds in South Limburg, The Netherlands ”, Netherlands Journal of Geosciences, pp. 89-102. Available at: https://njgjournal.nl/index.php/njg/article/view/13166 (Accessed: 4April2026).