D. Prinz, D. Hollnack, and J. Wohlenberg. “The Seismic Activity Near Aachen Following the 1992 Roermond Earthquake, the Netherlands”. Netherlands Journal of Geosciences 73 (January 1, 1994): 235-240. Accessed April 7, 2026. https://njgjournal.nl/index.php/njg/article/view/12469.