1. Accardo, G., Bottoni, M., Fabretti, G., & Santin, V. 1987. Impiego della termovisione per la conservazzione di strutture lapidei: due applicazioni esemplificative Bolletino ďarte: Materiali lapidei (supplemento al n. 41), 109–124.
2. Accardo, G., Massa, S., Rossi-Doria, P., Sammuri, P. & Tabasso, M. 1981. Artificial weathering of Carrara Marble: Relationships between the induced variations of some physical properties. The Conservation of Stone II, Preprints of the Contributions to the International Symposium, Bologna, 243–273.
3. Alessandrini, G., Peruzzi, R., Giambelli, G. & Bassi, M. 1978. Conservative treatments on archaeological ‘stones’. Deterioration and Protection of Stone Monuments. International Symposium, Paris, 6.13.
4. Alonso Suárez del Rio 1985. Velocidad de propagacion de ondas en rocas carbonatadas. Trabajos de Geologia, Universidad de Oviedo, 15, 315–324.
5. Baronio, G. & Cancelli, A. 1981. Behaviour of clastic rocks in polluted atmosphere. International Symposium on Weak Rock, Tokyo, 173–178