1. Antwi-Boasiako, C., 2004. Assessment of Anatomy, Durability and Treatability of two Tropical Lesser-Utilised Species and two related Primary Species from Ghana. PhD thesis submitted to the University of Reading, Reading (UK), pp. 303.
2. Brunner, M.Y., Grüsser, F., 2006. Investigations on Lesser-Used Timber Species for the Construction of Light Bridges in Ghana. 1st Interim Report 2005–06, DEZA/SNSF. Biel, Switzerland.
3. Field Test Method for Determining the Relative Protective Effectiveness of a Wood Preservative in Ground Contact;BS EN 252,1989
4. Durability of Wood and Wood-based Products – Natural Durability of Solid Wood. Part 1. Guide to the Principles of Testing and Classification of the Natural Durability of Wood;BS EN 350-1,1994
5. Durability of Wood and Wood-based Products – Natural Durability of Solid Wood. Guide to Durability Requirements for Wood to be used in Hazard Classes;BS EN 460,1994