J. Q. Silva, E. J. Scaloppi Júnior, R. M. B. Moreno, G. B. de Souza, P. de S. Gonçalves, and J. A. Scarpare Filho, “Yield and chemical properties of rubber of <i>Hevea</i> clones according to phenological stages”, PAB, vol. 47, no. 8, pp. 1066–1076, Sep. 2012.