1. Barzily, Z., Marlow, W. H., & Zacks, S. (1979). Survey of approaches to readiness. Naval Research Logistics Quarterly, 26, 21–31.
2. Breir, S. S., Zacks, S., & Marlow, W. H. (1986). An application of empirical Bayes techniques to the simultaneous estimation of many probabilities. Naval Research Logistics Quarterly, 33, 77–90.
3. Dempster, A. P., Laird, N. M., & Rubin, D. B. (1977). Maximum likelihood from incomplete data via EM algorithm. Journal of the Royal Statistical Society, B, 39, 1–38.
4. James, W., & Stein, C. (1960). Estimation with quadratic loss. In Proceedings of Fourth Berkeley Symposium on Mathematical Statistics and Probability (vol. 1). Berkely: Statistics Laboratories of the University of California.
5. Johnson, N. L., & Kotz, S. (1969). Distributions in statistics: Discrete distributions. Boston: Houghton and Mifflin.