MAIR, P.; MULLEN, K. Honoring the Lion: A Festschrift for Jan de Leeuw. Journal of Statistical Software, [S. l.], v. 73, n. 1, p. 1–17, 2016. DOI: 10.18637/jss.v073.i01. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v073i01. Acesso em: 28 nov. 2021.