PILECKAS, Eugenijus. The formation of frontal acoustic scenery in echoscopy. Aviation, [S. l.], v. 9, n. 1, p. 32–33, 2005. DOI: 10.3846/16487788.2005.9635894. Disponível em: https://mla.vilniustech.lt/index.php/Aviation/article/view/7408. Acesso em: 29 aug. 2025.