1. Hydrothermal systems in Iceland traced by deuterium;Arnason;Geothermics,1977
2. Recent deep exploration results at the margins of the Larderello Travale geothermal system;Barelli,2000
3. Results of deep drilling in the Larderello-Travale/Radicondoli geothermal area;Barelli,1995
4. Seismological study of Larderello-Travale geothermal area;Batini;Geothermics,1985
5. An update of the Larderello-Travale/Radicondoli deep geothermal system;Bertani,2005