TY - BOOK AU - Saulles, Janet De TI - Power from the earth T2 - Energy SN - 9780750208130 U1 - 629.23 PY - 1993/// CY - Hove PB - Wayland N2 - Defines geothermal energy and explains where and how it originates, its electric and non-electric uses, the process that changes earth heat into electricity, and the future of this source of energy ER -