LIUBARETS, I. CELESTIAL NAVIGATION AS THE EMERGENCY GNSS BACKUP: ENHANCING NAVIGATIONAL RELIABILITY. Scientific Journal of Gdynia Maritime University, [S. l.], n. 129, p. 7–21, 2024. DOI: 10.26408/129.01. Disponível em: https://ojs.umg.edu.pl/index.php/sjgmu/article/view/423. Acesso em: 27 jul. 2024.