Massa, Marco, Paolo Augliera, Gianlorenzo Franceschina, Sara Lovati, and Maria Zupo. “The July 17, 2011, ML 4.7, Po Plain (northern Italy) Earthquake: Strong-Motion Observations from the RAIS Network”. Annals of Geophysics 55, no. 2 (June 6, 2012). Accessed October 17, 2021. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5389.