1. DIN 4149: 1981, Buildings in German earthquake areas, design loads, analysis and structural design; usual buildings. Normenausschuß im Bauwesen (NABau) im DIN Deutsches Institut für Normung e.V., April 1981, Berlin.
2. DIN 4149: 2005, Buildings in German earthquake areas – Design loads, analysis and structural design of buildings. Normenausschuß im Bauwesen (NABau) im DIN Deutsches Institut für Normung e.V., April 2005, Berlin.
3. Earthquake scenarios for the city of Basel
4. Grünthal, G. (ed.), Musson, R., Schwarz, J., and Stucchi, M.: 1998a, European Macroseismic Scale 1998, Cahiers du Centre Européen de Geodynamique et de Seismologie, Vol. 15, Luxembourg