МЕЛКУМЯН, В. Г.; СЕМЕНОВ, А. А. Some problems of expert estimations of approbation results of civil aviation normative and guiding documentation. Proceedings of National Aviation University (archive), [S. l.], v. 2, n. 1, p. 255–259, 1999. DOI: 10.18372/2306-1472.2.9000. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/9000. Acesso em: 18 apr. 2026.