1. Geothermal Energy Guide;Llopis,2008
2. On the environmental suitability of high and low-enthalpy geothermal systems;Martin-Gamboaa;Geothermics,2015
3. Direct utilization of geothermal energy 2015 worldwide review;Lund,2015
4. Thermal Design and Optimization;Bejan,1996
5. ISO, EN ISO 14040 Environmental management-Life cycle assessment-Principles and framework, International Organization for Standardisation, Geneva, Switzerland, 2006.