Proceedings of the United Nations symposium on the Development and Utilization of Geothermal Resources. - Pisa : Istituto internazionale per le ricerche geotermiche, 1970. - 131 p. : il. ; 28 cm Contiene bibliografía. Subjects--Topical Terms: Energía geotermicaGeofísicaGeotermicaRecursos energeticosSimposio Subjects--Index Terms: Geotermia Recursos geotermales Simposio Index Terms--Genre/Form: Conferencia Universal Decimal Class. No.: 550.36