Tzanis, A., F. Vallianatos, and A. Efstathiou. 2013. “Multidimensional Earthquake Frequency Distributions Consistent With Non-Extensive Statistical Physics: The Interdependence of Magnitude, Interevent Time and Interevent Distance in North California”. Bulletin of the Geological Society of Greece 47 (3):1326-37. https://doi.org/10.12681/bgsg.10914.