МАТІЙЧИК, М.; МИХАЙЛОВ, Г.; ЮН, Г. Background characteristics of unmanned aircraft for agricultural purposes. Proceedings of National Aviation University (archive), [S. l.], v. 31, n. 1, p. 113–117, 2007. DOI: 10.18372/2306-1472.31.1447. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/1447. Acesso em: 18 apr. 2026.