Samarasimhudu, P., and Naunihal Singh. “Application of the Distribution of the Sum of R Independent Truncated Poisson Variables in Quality Control”. Defence Science Journal 13, no. 1 (May 7, 2014): 18–22. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7067.