National Research Council (U.S.). Committee on the Science of Earthquakes (2003). "5. Earthquake Physics and Fault-System Science". Living on an Active Earth: Perspectives on Earthquake Science. Washington D.C.: National Academies Press. s. 418. ISBN978-0-309-06562-7. Erişim tarihi: 29 Kasım 2010.
National Research Council (U.S.). Committee on the Science of Earthquakes (2003). "5. Earthquake Physics and Fault-System Science". Living on an Active Earth: Perspectives on Earthquake Science. Washington D.C.: National Academies Press. s. 418. ISBN978-0-309-06562-7. Erişim tarihi: 29 Kasım 2010.