J.W. Pappin, A.R. Coburn, & C.R. Pratt. (1994). Observations of damage ratios to buildings in the epicentral region of the 1992 Roermond earthquake, the Netherlands (extended abstract). Netherlands Journal of Geosciences, 73, 299-302. Retrieved from https://njgjournal.nl/index.php/njg/article/view/12477