LOSSMANN, E.; MADAR, U.; RAJA, A.; MEISTER, M. A. Some Fading-related Problems at Shortwave Propagation Path in the Baltics. Elektronika ir Elektrotechnika, [S. l.], v. 85, n. 5, p. 57-60, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11162. Acesso em: 30 may. 2024.