ABOLTINS, A.; PIKULINS, D.; GRIZANS, J.; TJUKOVS, S. Piscivorous Bird Deterrent Device Based on a Direct Digital Synthesis of Acoustic Signals. Elektronika ir Elektrotechnika, [S. l.], v. 27, n. 6, p. 42-48, 2021. DOI: 10.5755/j02.eie.28977. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/28977. Acesso em: 9 aug. 2022.