Naidu, Sivasubramaniam Nambi, and Ramesh Kumar Gupta. “Novel Attitude Estimation Of Strapdown Inertial Navigation Systems With Singular Value Decomposition Technique”. Defence Science Journal 72, no. 2 (May 11, 2022): 281–289. Accessed June 15, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/17637.