ELAM, Matthew E.; CASE, Kenneth E.; KIM, Jong-Min. Second Stage Short Run (X,vc) and (X,sc) Control Charts. Journal of Statistical Software, [S. l.], v. 9, n. 7, p. 1–31, 2004. DOI: 10.18637/jss.v009.i07. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v009i07. Acesso em: 6 apr. 2025.