1. Badalamenti, B., Chiodini, G., Cioni, R., Favara, R., Francofonte, S., Guerrieri, S., Hauser, S., Inguaggiato, S., Italiano, F., Magro, G., Nuccio, P.M., Parello, F., Pennisi, M., Romeo, L., Russo, M., Sortino, F., Valenza, M., and Vurro, F.: 1991, Special field workshop at Vulcano (Aeolian Islands) during summer 1988: geochemical results,Acta Vulcanol. 1, 223?227.
2. Barberi, F., Navarro, J. M., Rosi, M., Santacroce, R., and Sbrana A.: 1988, Explosive interaction of magma with ground water: insights from xenoliths and geothermal drillings,Rend. Soc. It. Miner. Petrol. 43, 901?926.
3. Barberi, F., Martini, M., and Rosi, M.: 1990, Nevado del Ruiz volcano (Colombia): pre-eruption observations and the November 13, 1985 catastrophic event,J. Volcanol. Geotherm. Res. 42, 1?12
4. Barberi, F., Neri, G., Valenza, M. and Villari, L.: 1991, 1987?1990 unrest at Vulcano,Acta Vulcanol. 1, 95?106.
5. Barberi, F., Bertagnini, A., Landi, P., and Principe, C.: 1992, A review on phreatic eruptions and their precursors,J. Volcanol. Geotherm. Res. 52, 231?246.