O’CONNELL, J.; HØJSGAARD, S. Hidden Semi Markov Models for Multiple Observation Sequences: The mhsmm Package for R. Journal of Statistical Software, [S. l.], v. 39, n. 4, p. 1–22, 2011. DOI: 10.18637/jss.v039.i04. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v039i04. Acesso em: 9 dec. 2021.