1. A study of the use of downhole heat exchangers in the Moana Hot Water Area, Reno;Allis,1981
2. A natural convection promoter for geothermal wells;Allis,1979
3. Thermal characteristics of the downhole heat exchanger at Tauhara College;Allis,1979
4. Washington: a guide to geothermal energy development;Bloomquist,1980
5. Evaluation and design of downhole heat exchangers for direct application;Culver,1978