[1]
Palma, J.V.N., Pereira Filho, W., Kramer, G. and Kaiser, E.A. 2017. Evaluation of Transparency and PH of Ernestina Power Plant Watershed – Rio Grande do Sul. Ciência e Natura. 39, (Nov. 2017), 164–170. DOI:https://doi.org/10.5902/2179460X27928.