Paiva, J.R. de, Gonçalves, P. de S. and Valois, A.C.C. (2014) “Preliminary assessment of some new rubber tree clones in Manaus (AM)”, Pesquisa Agropecuaria Brasileira, 18(2), pp. 147–158. doi:10.1590/S1678-3921.pab1983.v18.15171.