HAKL, Henri; LE ROUX, Willem. VERTICAL ACTIVITY ESTIMATION USING 2D RADAR. Scientia Militaria - South African Journal of Military Studies, [S. l.], v. 36, n. 2, 2011. DOI: 10.5787/36-2-52. Disponível em: https://ngtt.journals.ac.za/index.php/pub/article/view/52. Acesso em: 12 jun. 2026.