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2. Map showing distribution of CO2 springs and major zones of seismicity;Barnes;U.S. Geol. Surv. Misc. Invest. Ser., Map.,1984
3. A preliminary assessment of a medium-enthalpy geothermal resource in Nagqu (Tibet) People's Republic of China;Battistelli,1991
4. Ricerca ed esplorazione nell'area geotermica di Torre Alfina (Lazio-Umbria);Buonasorte;Boll. Soc. Geol. It.,1988
5. Evolution of the Latera geothermal System II: metamorphic, hydrothermal mineral assemblages and fluid chemistry;Cavaretta;J. Volcanol. Geotherm. Res.,1985