ZHANG, Q. An Improved Polar-Coordinate Navigation System with the Establishment of Electronic Counter-counter Measures Capabilities. Defence Science Journal, [S. l.], v. 63, n. 1, p. 114–118, 2013. DOI: 10.14429/dsj.63.2519. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2519. Acesso em: 15 jun. 2025.