KHALIFA, Smail; TOUSI, Behrouz; KOMARIZADEH, Mohammad Hassan. Recognition of Fill Walnuts and Empty Walnuts Using Acoustic Signal Processing. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 5, n. 3, 2012. Disponível em: https://ijabe.org/index.php/ijabe/article/view/387. Acesso em: 31 mar. 2026.