Pereira, Ailton Vitor, Heráclito E. O. Conceição, Francisco Mendes Rodrigues, João Maria Japhar Berniz, and Adroaldo Guimarães Rossetti. 2014. “Effect of the Spacing on Rubber Root-Stock Growth”. Pesquisa Agropecuaria Brasileira 18 (2):121-27. https://doi.org/10.1590/S1678-3921.pab1983.v18.15164.