WAND, J.; KING, G.; LAU, O. anchors: Software for Anchoring Vignette Data. Journal of Statistical Software, [S. l.], v. 42, n. 3, p. 1–25, 2011. DOI: 10.18637/jss.v042.i03. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v042i03. Acesso em: 27 may. 2024.