Stoimenova, Eugenia, and Narayanaswamy Balakrishnan. “On the Joint Distribution of Precedences and Exceedances for the Two-Sample Problem”. Austrian Journal of Statistics 40, no. 1&2 (February 24, 2016): 157–166. Accessed October 12, 2025. https://ajs.or.at/index.php/ajs/article/view/vol40%2C%20no1%262%20-%2016.