References
- Roland, N. Horne, Introduction to the world geothermal congress 2015 technical program, 2015, Melbourne, Australia, WGC 2015.
- Juliet, Newson, The Futrue of geothermal energy 2015, 2015, WGC 2015 Melbourne, Australia, WGC 2015.
- John, W. Lund, and Tonya, L. Boyd, Direct Utilization of geothermal energy 2015 world wide review, 2015, Melbourne, Australia, WGC 2015.
- Ruggero, Bertani, Geothermal power generation in the world - 2010-2015 update report, 2015, Melbourne, Australia, WGC 2015.
- International Energy Agency, Geothermal heat and power - technology roadmap, 2011.