GERACI, M. Linear Quantile Mixed Models: The lqmm Package for Laplace Quantile Regression. Journal of Statistical Software, [S. l.], v. 57, n. 13, p. 1–29, 2014. DOI: 10.18637/jss.v057.i13. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v057i13. Acesso em: 4 dec. 2021.