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J. A., Perucho, A. and Gonzalez-Gallego, J., CRC Press, London, UK, pp. 73-78.Pola,
A., Crosta, G. B., Castellanza, R., Agliardi, F., Fusi, N., Barberini, V., Norini,
G. and Villa, A. (2010). “Relationships between porosity and physical mechanical properties
in weathered volcanic rocks.” Volcanic rock mechanics, Olalla, C., Luis, E. H., Rodriguez-Losada,
J. A., Perucho, A. and Gonzalez-Gallego, J., CRC Press, London, UK, pp. 73-78.