1. Geothermal energy: an alternative resource for the 21st century;Gupta,2007
2. Geothermal 101: basics of geothermal energy production and use;Blodgett,2009
3. David B, Potsdam GFZ. Geophysical exploration methods at European sites. Section 5.2 Geothermics. Germany; 2006.
4. Georgsson LS. Geophysical methods used in geothermal exploration. Presentation in short course IV on exploration for geothermal resources, UNU-GTP, KenGen, GDC, Naivasha, Kenya; 2009.
5. Ailing BF, Budd AR, Holgate FL, Gerne E. Direct-use of geothermal energy: opportunities for Australia. Geoscience Australia fact Sheet, GEOCAT 65454, Canberra; 2007.