BOGENS, K. Development of a Model for Predicting Radio Wave Propagation over the Territory of Latvia. Elektronika ir Elektrotechnika, [S. l.], v. 28, n. 5, 2000. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/18280. Acesso em: 2 oct. 2022.