GUHA, R. Chemical Informatics Functionality in R. Journal of Statistical Software, [S. l.], v. 18, n. 5, p. 1–16, 2007. DOI: 10.18637/jss.v018.i05. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v018i05. Acesso em: 8 dec. 2022.