M. Frechen, K. Vanneste, K. Verbeeck, E. Paulissen, & T. Camelbeeck. (2001). The Deposition History of the Coversands along the Bree Fault Escarpment, NE Belgium. Netherlands Journal of Geosciences, 80(1), 171-185. https://doi.org/10.1017/S0016774600023829