1. The univariate and multivariate k-sample problem: A nonparametric sequential contrast method approach;Ahmad,1979
2. Sequential Medical Trials;Armitage,1975
3. The large sample theory of sequential tests;Bartlett,1946
4. Some asymptotic properties of likelihood ratios on general sample spaces;Bahadur,1972
5. Semi-sequential nonparametric tests for two populations with one sample fixed;Bandyopadhyay;Calcutta Stat. Ass. Bull.,1980