Oyarzo-Vera, C., and M. C. Griffith. “The Mw 6.3 Abruzzo (Italy) Earthquake of April 6th, 2009: On Site Observations”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 42, no. 4, Dec. 2009, pp. 302-7, doi:10.5459/bnzsee.42.4.302-307.