1. Bertolini, C., Brunetti, M., Cavallaro, P. and Macchioni, N. A non-destructive diagnostic method on ancient timber structures: some practical application examples. Proceedings of 5th world conference on timber engineering. Vol. I, pp.456–465. Montreux, Switzerland: Presses Polytechniques et Universitaires Romandes.
2. Advances inin situ evaluation of timber structures
3. Kuipers, J. Effect of age and/or load on timber strength. Recommendations for the analysis, conservation and structural restoration of architectural heritage. 2001. Proceedings of 19th, Florence, Italy: ICOMOS. CIB-W18/19-6-1.