Peck, D. L. Recoverability of geothermal energy directly from molten igneus systems. En : Assessment of geothermal resources - 3a. ed. - Arlington United States Department of the Interior 1976 - pp. 122-124 Impreso 0194 Subjects--Topical Terms: GEOTERMIAGEOLOGIACONGRESOS Y CONFERENCIAS Subjects--Geographic Terms: USA Dewey Class. No.: 333.88 / A8466 / 1975