A decade of paleoseismic research in the Roer Valley graben - Vanneste, Kris et al - published in Seismic risk - Earthquakes in North-Western Europe, éditions de l'Université de Liège. Scientific editors: Thierry Camelbeeck, Hervé Degée, Geert Degrande and Alain Sabbe, pp. 57-64 (2008) - SISMOimport-260