Caselli, A. T.; Badi, G.; Bonatto, A. L.; Bengoa, C. L.; Agusto, M. R.; Bidone, A.; Ibáñez, J. Seismic Activity and an Anomalous Fumarolic Chemical Composition Due to Seal Effect in the Volcanic System of Deception Island (Antarctica). RAGA 2007, 62, 545-552.