ZHANG, Ganghong; GAO, Wanlin; TAO, Sha; YU, Lina; ZHANG, Guofeng; LUO, Xuan. Online ultrasonic terminal for measuring pig backfat thickness. International Journal of Agricultural and Biological Engineering, [S. l.], v. 11, n. 2, p. 190–195, 2018. Disponível em: https://www.ijabe.org/index.php/ijabe/article/view/3278. Acesso em: 28 jan. 2026.