T. de P. Protásio, L. Bufalino, G. H. D. Tonoli, A. M. Couto, P. F. Trugilho, and M. Guimarães Júnior, “Relation between higher heating value and elemental and mineral biomass plant components”, Pesq. flor. bras., vol. 31, no. 66, p. 113, May 2011, Accessed: Sep. 13, 2026. Available: https://pfb.sede.embrapa.br/pfb/article/view/200