1. American Society for Testing and Materials. (1978). ASTM 1978 part 22 American Society for Testing Materials Philadelphia Pa.
2. NORDTEST Method. (1981a). “Nails in wood: Lateral strength.” NORDTEST NT Build 133.
3. NORDTEST Method. (1981b). “Nails in wood: Embedding strength.” NORDTEST NT Build 135.
4. NORDTEST Method. (1981c). “Nails in wood: Bending strength.” NORDTEST NT Build 136.