SELUKAR, R. State Space Modeling Using SAS. Journal of Statistical Software, [S. l.], v. 41, n. 12, p. 1–13, 2011. DOI: 10.18637/jss.v041.i12. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v041i12. Acesso em: 9 dec. 2021.