References
- Kelley , T.A. 1977 . Sequential Bayes estimation of the difference between means . Ann. Stat , 5 : 379 – 384 .
- Rekab , K. 1989 . Asymptotic efficiency in sequential designs for estimation . Sequential Analysis , 8 : 269 – 280 .
- Robbins , K. , Simons , H. and Starr , N. 1967 . A sequential analogue of the Behren-Fisher problem . Ann. Math. Stat , 38 : 1384 – 1388 .