Evaluating Similarity of Spectrogram-like Images of DC Motor Sounds by Pearson Correlation Coefficient. Elektronika ir Elektrotechnika, [S. l.], v. 28, n. 3, p. 37–44, 2022. DOI: 10.5755/j02.eie.31041. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/31041.. Acesso em: 5 dec. 2025.