Conservation and preservation : interactions between theory and practice : in memoriam Alois Riegl (1858-1905) : proceedings of the International conference of the ICOMOS international scientific committee for the theory and the philosophy of conservation and restoration : 23-27 April 2008 (Vienna, Austria) - Falser, Michael, 1973-; Lipp, Wilfried, 1945-; Tomaszewski, Andrzej, 1934-2010 (Edizioni Polistampa, 2010)