1. Bekker, P., & De Leeuw, J. (1988). Relation between variants of nonlinear principal component analysis. In J.L.A. Van Rijckevorsel & J. De Leeuw (Eds.), Component and correspondence analysis. Chichester: Wiley.
2. Breiman, L., & Friedman, J.H. (1985). Estimating optimal transformations for multiple regression and correlation. Journal of the American Statistical Association, 80, 580–619.
3. De Leeuw, J. (1988). Multivariate analysis with linearizable regressions. Psychometrika, 53, 437–454.
4. De Leeuw, J. (1990). Multivariate analysis with optimal scaling. In S. Das Gupta & J. Sethuraman (Eds.), Progress in multivariate analysis. Calcutta: Indian Statistical Institute.
5. De Leeuw, J. (1993). Some generalizations of correspondence analysis. In C.M. Cuadras & C.R. Rao (Eds.), Multivariate analysis: Future directions 22. Amsterdam: North-Holland.