1.
M.C. Geluk, E.J.Th. Duin, M. Dusar, R.H.B. Rijkers, R.H.B. Rijkers, M.W. van den Berg, P. van Rooijen. Stratigraphy and tectonics of the Roer Valley Graben. njg [Internet]. 1994Jan.1 [cited 2026Apr.7];73:129-41. Available from: https://njgjournal.nl/index.php/njg/article/view/12456