References
- Fieller , E.C. 1954 . Some Problems in Interval Estimation . Journal of the Royal Statistical Society, Series B , 16 : 175 – 185 .
- Scheffé , H. 1970 . Multiple Testing Versus Multiple Estimation. Improper Confidence Sets. Estimation of Directions and Ratios . Annals of Mathematical Statistics , 41 : 1 – 29 .