Smith, David M., and Malcolm J. Faddy. “Mean and Variance Modeling of Under-Dispersed and Over-Dispersed Grouped Binary Data”. Journal of Statistical Software 90, no. 8 (July 31, 2019): 1–20. Accessed April 20, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v090i08.