Xiao Zhong, Hao, Ahmed A.A.Duroobi, and Chen Wenliang. “Feed-Interval Scallop Height Estimation Using Multi-Axis CNC Milling Machine”. Anbar Journal of Engineering Science 5, no. 1 (August 1, 2012): 51–63. Accessed June 7, 2025. https://ajes.uoanbar.edu.iq/ajes/article/view/425.