Di Grazia, G., H. Langer, A. Ursino, L. Scarfì, and S. Gresta. “On the Estimate of Earthquake Magnitude at a Local Seismic Network”. Annals of Geophysics 44, no. 3 (December 25, 2001). Accessed March 28, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3577.