M. Cardoso, P. de S. Gonçalves, M. Campana, and C. Lavorenti, “Performance of new Hevea clones of IAC series first selection for the upland of São Paulo, Brazil”, PAB, vol. 26, no. 5, pp. 671–680, May 1991, doi: 10.1590/S1678-3921.pab1991.v26.3391.