RAO, S. K. Maximum Likelihood Estimator for Bearings-only Passive Target Tracking in Electronic Surveillance Measure and Electronic Warfare Systems. Defence Science Journal, [S. l.], v. 60, n. 2, p. 197–203, 2010. DOI: 10.14429/dsj.60.340. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/340. Acesso em: 15 jun. 2025.