LIU, X.; ZUO, Y. CompPD: A MATLAB Package for Computing Projection Depth. Journal of Statistical Software, [S. l.], v. 65, n. 2, p. 1–21, 2015. DOI: 10.18637/jss.v065.i02. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v065i02. Acesso em: 9 dec. 2021.