Vathsal, S. “Estimation of Circular Error Probability of Strapped Down Inertial Navigation System by Propagation of Error Covariance Matrix”. Defence Science Journal 44, no. 1 (January 1, 2013): 25-32. Accessed April 27, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4148.