1. ISO 834. Fire resistance tests – Elements of building construction. International Organization for Standardization; 1975
2. ASTM E119. Standard methods of fire tests of building construction and materials. Philadelphia (PA): American Society for Testing and Materials; 1983
3. ENV 1995-1-2. Eurocode 5: Design of timber structures – Part 1–2: General rules – Structural fire design. European prestandard; 1994
4. Charring rate of selected woods transverse to grain. Research paper FPL 69;Schaffer,1967
5. White RH. Charring rates of different wood species. PhD dissertation, Madison University of Wisconsin, Madison (WI); 1988