1. Beckman, R.J. & Cook, R.D. (1983). Outliers.Technometrices, 25, 119–149.
2. Cook, R.D. (1986). Assessment of local influence (with discussion).Journal of the Royal Statistical Society, Series B,48, 133–169.
3. Dempster, A.P., Laird, N.M., & Rubin, D.B. (1977). Maximum likelihood from incomplete data via the EM algorithm (with discussion).Journal of the Royal Statistical Society, Series B,39, 1–38.
4. Hastings, W.K. (1970). Monte Carlo sampling methods using Markov chains and their application.Biometrika, 57, 97–109.
5. Jöreskog, K.G. & Sörbom, D. (1996). LISREL 8:Structural equation modeling with the SIMPLIS command language. Hove and London: Scientific Software International.