Leal, M. de L. da S. and Warwick, D.R.N. 2000. Sampling in the evaluation of the coconut verrucoses. Pesquisa Agropecuaria Brasileira. 35, 9 (Sep. 2000), 1717–1723. DOI:https://doi.org/10.1590/S1678-3921.pab2000.v35.5951.