1. Anonymous. 2015a. Acer heldreichii. Memim Encyclopedia. http://memim.com/acer–heldreichii.html (21 October 2015).
2. ———. 2015b. Wood Database and Searchable Library. Goncalo Alves: Astronium graveolens. http://www.woodworkerssource.com/online_show_wood.php ? wood=Astronium graveolens (05 October 2015).
3. Bennett, B. C. 2002. Forest products and traditional peoples: Economic, biological, and cultural considerations. Natural Resources Forum 26:293–301.
4. ——— and M. J. Balick. 2008. Phytomedicine 101: Plant taxonomy for preclinical and clinical medicinal plant researchers. Journal of the Society for Integrative Oncology 6:150–157.
5. Braun, D. M. 2010. Madagascar’s logging crisis: Separating myth from fact. National Geographic Blog. http://voices.nationalgeographic.com/2010/05/20/madagascar_ logging_crisis/ (14 October 2015).