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2. American Society for Testing and Materials “Standard Methods of Testing Small Clear Specimens of Timber ” American Standards for Testing and Materials Designation D143‐52 1981.
3. American Society for Testing and Materials “Standard Methods of Testing Mechanical Fasteners in Wood ” American Standard for Testing and Materials Designation D1761‐77 1981.
4. CIB Structural Timber Design Code Fifth Edition Working Group W18 Timber Structures International Council for Building Research Studies and Documentation August 1980.
5. Ehlbeck J. “Nailed Joints in Wood Structures ” Virginia Polytechnic Institute and State University Wood Research and Wood Construction Laboratory No. 166 Sept. 1979.