Gonçalves, P. de S., Paiva, J.C.R. de and Rossetti, A.G. (2014) “Efficiency of Mendes’ early tapping test in relation to Hamaker Morris-Mann in rubber tree selection”, Pesquisa Agropecuaria Brasileira, 17(8), pp. 1145–1153. doi:10.1590/S1678-3921.pab1982.v17.16017.