1. British Standards Institution (BSI). (1974). “Part 1 specification for nails.” BS 1202 London.
2. British Standards Institution (BSI). (1991). “Timber structures—Joints made with mechanical fasteners—General principles for the determination of strength and deformation characteristics.” BS EN 26891 London.
3. British Standards Institution (BSI). (1993). “Hot rolled products of non-alloy structural steels.” BS EN 10 025 London.
4. British Standards Institution (BSI). (1995). “Structural timber—Determination of characteristic values of mechanical properties and density.” EN 384 London.
5. British Standards Institution (BSI). (1996). “Part 2: Structural use of timber—Code of practice for permissible stress design materials and workmanship.” BS 5268 London.