Mihaela Lazarescu. "Seismic risk in Romania"(PDF). Bauhaus-Universität Weimar. Archived from the original(PDF) on 10 November 2014. Retrieved 20 September 2014.
Mihaela Lazarescu. "Seismic risk in Romania"(PDF). Bauhaus-Universität Weimar. Archived from the original(PDF) on 10 November 2014. Retrieved 20 September 2014.