Theoretical and Practical Aspects of Shortwave Broadcast Reception in the Baltics. Elektronika ir Elektrotechnika, [S. l.], v. 92, n. 4, p. 45–48, 2009. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10225.. Acesso em: 6 dec. 2025.