1. Well Logging for Earth Scientists;Ellis,2008
2. The Future of Geothermal Energy: Impact of Enhanced Geothermal Systems (EGS) on the United States in the 21st Century, Massachusetts Institute of Technology, 2006. 〈http://www1.eere.energy.gov/geothermal/future_geothermal.html〉.
3. An Evaluation of Enhanced Geothermal Systems Technology, DOE, 2008.
4. Stephen Derenzo, Martin Boswell, Marvin Weber, Kathleen Brennan, Scintillation Properties, a Web-accessible reference site: 〈http:/scintillaror.lbl.gov/〉.
5. Temperature dependence of CsI (T1) absolute scintillation yield