1. Aires-Barros L. The rocks of Portuguese monuments – types and pathology, vols. I and II, Architectural Heritage Institute, Lisbon, Portugal; 2001 [in Portuguese].
2. American Society for Testing and Materials, ASTM C1242-96b, Standard guide for design, selection, and installation of exterior dimension stone anchors and anchoring systems, Philadelphia, USA; 1997.
3. Handbook of concrete bridge management;Branco,2004
4. Architectural stone: fabrication, installation, and selection;Chacon,1999
5. Facade staining arising from design features;Chew;Constr Build Mater,2003