1. American Forest and Paper Association (AF&PA). Standard for load and resistance factor design for engineered wood construction. AF&PA/ASCE 16–95, Washington, DC; 1996.
2. American Forest and Paper Association (AF&PA). National design specification (NDS) for wood construction, Washington, DC; 2005.
3. American Society of Testing and Materials (ASTM). Standard test methods for small clear specimens of timber. ASTM D143-94, West Conshohocken, PA; 1994.
4. American Society of Testing and Materials (ASTM). Standard methods for establishing clear wood strength values. ASTM D2555-98, West Conshohocken, PA; 1998.
5. American Society of Testing and Materials (ASTM). Standard practice for establishing structural grades and related allowable properties for visually graded lumber. ASTM D245-00, West Conshohocken, PA; 2000.