Camargo, Ivo Pereira de, et al. “Evaluation of the Deterioration in Brazil Nut Seeds by the Tetrazolium Test”. Pesquisa Agropecuaria Brasileira, vol. 32, no. 8, Aug. 1997, pp. 835-9, doi:10.1590/S1678-3921.pab1997.v32.4719.