[1]
A. P. A. Bertossi, J. P. C. de Menezes, R. A. Cecílio, G. de O. Garcia, and M. A. Neves, “Selection and grouping of indicators of water quality using Multivariate Statistics”, Semina: Ciênc. Agrár., vol. 34, no. 5, pp. 2025–2036, Oct. 2013.