Zhang, Fu, Limin Zheng, Wei Wang, Yafei Wang, and Jiajia Wang. “Development of Agricultural Bionic Mechanisms: Investigation of the Effects of Joint Angle and Pressure on the Stability of Goats Moving on Sloping Lands”. International Journal of Agricultural and Biological Engineering 11, no. 3 (June 1, 2018): 35–41. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/3633.