1. Anderson, T. W. (1958).An introduction to multivariate statistical analysis New York: Wiley.
2. Anderson, T. W. (1959). Some scaling models and estimation procedures in the latent class model. In U. Grenander (Ed.),Probability and statistics: The Harold Cramer volume. New York: Wiley.
3. Anderson, T. W., & Rubin, H. (1956). Statistical inference in factor analysis.Proceedings of the third Berkeley Symposium on mathematical statistics and probability, 5, 111–150.
4. Bartholomew, D. J. (1980). Factor analysis for categorical data.Journal of the Royal Statistical Society, 42 (Series B), 293–321.
5. Bartholomew, D. J. (1981). Posterior analysis of the factor model.British Journal of Mathematical and Statistical Psychology, 34, 93–99.