E. Fritzsons, L. E. Mantovani, and M. S. Wrege, “Geoclimatic unities chart of Parana State, Brazil, for forestry”, Pesq. flor. bras., vol. 30, no. 62, p. 129, Oct. 2010, Accessed: Sep. 13, 2026. Available: https://pfb.sede.embrapa.br/pfb/article/view/162