da Silva Grassmann, G., C. Rogério Andrade, A. F. Dias Júnior, F. G. da Silva Júnior, and J. Otávio Brito. “Timber Wastes Torrefaction for Energy Use”. Maderas-Cienc Tecnol, vol. 18, no. 1, Jan. 2016, pp. 105-12, https://revistas.ubiobio.cl/index.php/MCT/article/view/2243.