Educational Testing Service
Maximum Likelihood from Incomplete Data Via the EM Algorithm
1977 · A. P. Dempster, N. M. Laird, et al. · Journal of the Royal Statistical Society Series B (Statistical Methodology)
Inference and missing data
1976 · Donald B. Rubin · Biometrika
Estimating causal effects of treatments in randomized and nonrandomized studies.
1974 · Donald B. Rubin · Journal of Educational Psychology