1. The electrical resistivity log as an aid in determining some reservoir characteristics;Archie;AIME Tech. Publ.,1942
2. Systematic approach to geothermal development;Armstead;Geothermics,1974
3. The Electrochemistry of Solutions;Glasstone,1937
4. Clay Mineralogy;Grim,1968
5. The economics of geothermal power in the United States;Kaufman;Geothermics,1970