1. Agus M. Bortolussi A. Ciccu R. Kim W. M. and Manca P. P. (1993). “The influence of rock properties on waterjet performance.” Proc. 7th American Water Jet Conf. Hashish M. ed. Water Jet Technology Association St. Louis 427–442.
2. Agus M. Bortolussi A. Ciccu R. Manca P. P. Massacci G. and Bosu M. (1991). “Jet impingements tests on mineral crystals.” Proc. 1st Asian Conf. on Recent Advances in Jetting Technology CI-Premier Singapore 1–9.
3. Careddu N. (2006). “Developments in the surface finishing of ornamental rocks by high-pressure water jet without abrasive and proposal for an official name for the process.” Diamante—Applicazioni e Tecnologia n. 47 G & M Associated sas Anno 12 65–77.
4. Careddu N. (2008). “Granite surface processing by abrasive water-jet technology.” Proc. Second Int. Congress on Dimension Stones Pacini Editore Pisa Italy 169–174.