1. Tectonic and hydrologic control of the nature and distribution of geothermal resources;Muffler,1976
2. Sourcebook on the Production of Electricity from Geothermal Energy;Kestin,1980
3. Geothermal Energy;Armstead,1978
4. Geothermal Energy: Technology Assessment;Cheremisinoff,1976
5. How to Maintain Geothermal Steam Turbines;Hibara,1986