VAN NIEKERK, Andries; COMBRINCK, Ludwig. The use of civilian-type GPS receivers by the military and their vulnerability to jamming. South African Journal of Science, [S. l.], v. 108, n. 5/6, p. 4 Pages, 2012. Disponível em: https://sajs.co.za/article/view/9847. Acesso em: 3 jul. 2024.