1. ASTM. (1966). “Anisotropy in wood—Orientation effects in the mechanical behavior of anisotropic structural materials.” ASTM STP 405 West Conshohocken Pa.
2. APA. (1976). “Test methods and performance requirements for floor and roof sheathing.” APA Research Rep. 135C American Plywood Association Tacoma Wash.
3. BSI. (1989). “Particleboard Part 1: Methods of sampling conditioning and test clause 15—Determination of concentrated load strength.” BS 5669 London.
4. CEN. (1992). “Timber structures—Testing of wood panels for the determination of mechanical properties for structural purposes.” EN 789 Brussels Belgium.
5. IStructE. (1993). “Structural news.” Struct. Eng. 7(10).