Grünthal, Gottfried European Macroseismic Scale EMS-98, External Organizations;
http://it.wikipedia.org/wiki/Scala_Macrosismica_Europea (Abstract)
http://www.gfz-potsdam.de/portal/gfz/Struktur/Departments/Department+2/sec26/projects/04_seismic_vulnerability_scales_risk/EMS-98/EMS-98_language_versions (Supplementary material)
Grünthal, G. (Ed.)(1998): Short form of the EMS-98 in Italian, (Cahiers du Centre Européen de Géodynamique et de Séismologie ; 15), Luxembourg : Centre Européen de Géodynamique et de Séismologie.