КОВАЛЕВСЬКИЙ, Е.; КОНІН, В.; ПОГУРЕЛЬСЬКИЙ, О. Using satellite signals of different frequencies to improve the accuracy of navigation definitions. Proceedings of National Aviation University (archive), [S. l.], v. 34, n. 1, p. 8–11, 2008. DOI: 10.18372/2306-1472.34.1522. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/1522. Acesso em: 18 apr. 2026.