Gonçalves, P. de S., Martins, A. L. M., Bortoletto, N., Ortolani, A. A., & Bermond, G. (1994). Vigor evaluation of six different populations of <i>Hevea</i> rootstocks. Pesquisa Agropecuaria Brasileira, 29(4), 543–552. https://doi.org/10.1590/S1678-3921.pab1994.v29.4085