. . "Bishop & Hansell." . . . . . . . . . . . "Addresses mankind's need for energy which is in the form of heat. Shows and explains commercial applications of gethermal energy in power generation. Includes animation."@en . . . "Addresses mankind's need for energy which is in the form of heat. Shows and explains commercial applications of geothermal energy in power generation. Includes animation."@en . . "The Primal furnace"@en . . .