1. The Athens Charter for the Restoration of Historic Monuments. First International Congress of Architects and Technicians of Historic Monuments, Athens (1931)
2. International Council on Monuments and Sites – ICOMOS: International Charter for the Conservation and Restoration of Monuments and Sites (The Venice Charter 1964). Second International Congress of Architects and Technicians of Historic Monuments, Venice (1964)
3. Congress on the European Architectural Heritage: The Declaration of Amsterdam, Amsterdam (1975)
4. Comité Européen de Normalisation (CEN): EN 1998-3:2004. Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings. CEN, Brussels, Belgium (2004)
5. Dimes, F.G., Ashurst, J.: Conservation of Building and Decorative Stone. Routledge, London (2007)