Deckers , J., M. Broothaers, D. Lagrou, and J. Matthijs. 2014. “The Late Maastrichtian to Late Paleocene Tectonic Evolution of the Southern Part of the Roer Valley Graben (Belgium)”. Netherlands Journal of Geosciences, June, 83-93. https://doi.org/10.1017/njg.2014.11.