1. Alpine (2017a) A builders guide to trusses—EBS building supplies. Alpine Systems Corporation. 03 50. https://alpineitw.com/resources/builders-guide-to-trusses/. Accessed 14 Sep 2018
2. Alpine L (2017b) Roof truss guide. Alpine Systems Corporation. https://alpine.uberflip.com/i/405187-roof-truss-guide. Accessed 14 Sep 2018
3. ASTM (American Society for Testing and Materials, US) (2014) Standard method of testing small clear specimens of timber. ASTM D143-14, vol 04.10. West Conshohocken, PA, US. p 8. https://doi.org/10.1520/D0143-94R07
4. American Wood Council (AWC, US) (2014) American Wood Council. Connection solution for wood frame structures. Leesburg, USA
5. American Wood Council (AWC, US) (2015) American Wood Council. Wood frame construction manual. Leesburg, USA