KALASHNYK-RYBALKO, M. FEATURES OF PROVISION OF SUSTAINABLE NAVIGATION AIDS FUNCTIONING UNDER HELIOGEOPHYSIC DISTURBANCES. Proceedings of National Aviation University, [S. l.], v. 75, n. 2, p. 35–42, 2018. DOI: 10.18372/2306-1472.75.13115. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/13115. Acesso em: 4 may. 2024.