L. M. Coelho Junior, E. P. Santos Junior, A. M. M. Nunes, Álvaro N. de Souza, L. A. C. Borges, and F. J. Simioni, “Concentration and Clusters of Black Liquor Thermoelectric Plants in Brazil”, IEEE LAT AM T, vol. 19, no. 12, pp. 2122–2129, May 2021.