Zhang G, Gao W, Tao S, Yu L, Zhang G, Luo X. Online ultrasonic terminal for measuring pig backfat thickness. Int J Agric & Biol Eng [Internet]. 2018 Mar. 31 [cited 2026 Jan. 27];11(2):190-5. Available from: https://ijabe.org/index.php/ijabe/article/view/3278