1. ISO 2394, General principles on reliability for structures, International Organization for Standardization, 1998.
2. ICOMOS, Principles for the preservation of historic timber structures, Document adopted by ICOMOS at the 12th General Assembly in Mexico, International Council on Monuments and Sites, 1999.
3. Review of codes and standards;Macchioni,2010
4. Visual strength-grading and NDT of timber in traditional structures;Piazza;J. Build. Appraisal,2008
5. In-situ Assessment of Structural Timber. RILEM State-of-the-Art Reports,2011