MURDOCH, D. Orientlib: An R Package for Orientation Data. Journal of Statistical Software, [S. l.], v. 8, n. 19, p. 1–11, 2003. DOI: 10.18637/jss.v008.i19. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v008i19. Acesso em: 2 may. 2024.