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- [7] OPTIMUM SAMPLE SIZE FOR CHOOSING THE POPULATION HAVING THE SMALLER VARIANCE ANNALS OF MATHEMATICAL STATISTICS, 1953, 24 (04): : 686 - 686
- [10] LARGE-SAMPLE APPROXIMATIONS TO VARIANCE AND BIAS OF BISPECTRAL ESTIMATES ANNALS OF MATHEMATICAL STATISTICS, 1966, 37 (05): : 1431 - &