1. Computing for Incomplete Repeated Measures
2. Breiman , L. , Friedman , J. , Olshen , R. , and Stone , C . ( 1984 ). Classification and Regression Trees , Wadsworth. Breiman, L., Friedman, J., Olshen, R., and Stone, C. (1984). Classification and Regression Trees, Wadsworth.
3. Asymptotic Comparison of Missing Data Procedures for Estimating Factor Loadings