1. A class of Mann–Whitney–Wilcoxon statistics;Ahmad;Amer. Statist.,1996
2. Some distribution free tests for testing homogeneity of location parameters against ordered alternatives;Amita;J. Indian Statist. Assoc.,1989
3. Some competitors of Wolcoxon–Mann–Whitney test for location alternative;Deshpande;J. Indian Statist. Assoc.,1982
4. A class of statistics with asymptotically normal distribution;Hoeffding;Ann. Math. Statist.,1948
5. A distribution-free k-samples test against ordered alternatives;Jonckheere;Biometrika,1954