1. ASTM D 143-09 (2009) Test methods for small clear specimens of timber. American Society for Testing and Materials, West Conshohocken
2. ASTM D 3499-11 (2011) Test method for toughness of wood-based structural panels. American Society for Testing and Materials, West Conshohocken
3. DIN 52–189 (1981) Prüfung von Holz: Schlagbiegeversuch, Bestimmung der Bruchschlagarbeit. din Deutsches Institut für Normungen, Beuth, Berlin
4. ISO 3348 (1975) Wood: determination of impact bending strength. International Organization for Standardization, Geneva
5. ASTM E 23-12c (2012) Test methods for notched bar impact testing of metallic materials. American Society for Testing and Materials, West Conshohocken