1. Venice Charter. Second international congress of architects and technicians of historical monuments, Venice, May 25–31, 1964.
2. Krakow Charter. International conference on conservation Krakow, Krakow; 2000.
3. ISCARSAH ICOMOS Committie. Principles for the analysis, conservation and structural restoration of architectural heritage 2003. IIWC ICOMOS Committie: Principles for the preservation of Historic Timber Strucures; 1999.
4. UNI Ente Nazionale Italiano di Unificazione. UNI 11138: cultural heritage—wooden artefacts—criteria for the preliminary evaluation, the design and the execution of works, Milano, Italy; 2004.
5. Kasal B, Tannert T. In situ assessment of structural timber. RILEM State-of-the-Art Reports, vol. 7, 129 p; 2011.