1. Athens-Charter, The Athens charter for the restoration of historic monuments. First International Congress of Architects and Technicians of Historic Monuments, Athens (1931).
2. Venice-Charter, The Venice charter for the conservation and restoration of monuments and sites. The Second International Congress of Architects and Specialists of Historic Buildings, Venice (1964).
3. Krakow-Charter, Krakow charter: principles for the conservation and restoration of built heritage, International Conference on Conservation Kraków 2000, Krakow, Polan (2000).
4. Performance of concrete patch repair systems;Beushausen,2007
5. Concrete heritage conservation—the Baha’i house of worship;Armbruster;Construção Mag.,2011