LIUBARETS, I. CELESTIAL NAVIGATION AS THE EMERGENCY GNSS BACKUP: ENHANCING NAVIGATIONAL RELIABILITY. Scientific Journal of Gdynia Maritime University, [S. l.], v. 129, p. 7–21, 2024. DOI: 10.26408/129.01. Disponível em: https://sjgmu.umg.edu.pl/index.php/sjgmu/article/view/423. Acesso em: 20 may. 2024.