PESTMAN, Wiebe R. Creating and classifying measures of linear association by optimization techniques. Mathematica Scandinavica, Berkeley, CA, United States, v. 106, n. 1, p. 67–87, 2010. DOI: 10.7146/math.scand.a-15125. Disponível em: https://journals.msp.org/mscand/article/view/572. Acesso em: 24 jul. 2026.