Inguaggiato, Salvatore, Lorenzo Calderone, Claudio Inguaggiato, Sabina Morici, and Fabio Vita. 2011. “Dissolved CO2 in Natural Waters: Development of an Automated Monitoring System and First Application to Stromboli Volcano (Italy)”. Annals of Geophysics 54 (2). https://doi.org/10.4401/ag-5180.