Grünthal, Gottfried 2.6 Seismic Hazard and Stress Field, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Grünthal, G. (Ed.)(1990): Thoughts and proposals for up-dating of the MSK-intensity scale, Potsdam : Central Institute for Physics of the Earth, 63 p.
