Iki, Kiyotaka, Kouji Tahata, and Sadao Tomizawa. “Ridit Score Type Quasi-Symmetry and Decomposition of Symmetry for Square Contingency Tables With Ordered Categories”. Austrian Journal of Statistics 38, no. 3 (April 3, 2016): 183–192. Accessed May 10, 2021. https://ajs.or.at/index.php/ajs/article/view/vol38%2C%20n3%20-%204.