VARGA, M. REVIEW AND COMPARISON OF RECENT METHODS IN SPACE GEODESY. Periodica Polytechnica Civil Engineering, [S. l.], v. 27, n. 3-4, p. 253–259, 1983. Disponível em: https://pp.bme.hu/ci/article/view/4042. Acesso em: 3 jul. 2025.