PILECKAS, Eugenijus; APANAVIČIUS, Remigijus. Loss of quality of ultrasonic images and possible causes. Aviation, [S. l.], v. 14, n. 2, p. 54–57, 2010. DOI: 10.3846/aviation.2010.09. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/5676. Acesso em: 13 may. 2025.