Liu, Wei, Yuan Hu, Xingqun Zhan, and Chuanrun Zhai. “Assessing Radio Frequency Compatibility Between Galileo and Compass (Review Paper))”. Defence Science Journal 61, no. 6 (October 28, 2011): 545-553. Accessed April 26, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/285.