Tiwary, Krishneshwar, S.K. Behera, G. Sharada, and Amarjit Singh. “Modelling and Simulation of Pseudolite-Based Navigation: A GPS-Independent Radio Navigation System”. Defence Science Journal 60, no. 5 (August 24, 2010): 541-550. Accessed April 27, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/577.