Martins, Ana Paula Marques, et al. “Effect of the Age on Them Stem Form of Araucaria Angustifolia in Central-Southern Region of Paraná”. Pesquisa Florestal Brasileira, vol. 37, no. 90, June 2017, pp. 109-17, https://doi.org/10.4336/2017.pfb.37.90.1329.