Mendez, Gerardo, and Angeles Hernandez. “Hybrid Learning of Interval Type-2 Fuzzy Systems Based on Orthogonal Least Squares and Back Propagation for Manufacturing Applications”. Journal of Automation, Mobile Robotics and Intelligent Systems 2, no. 1 (January 22, 2008): 23–32. Accessed April 30, 2025. https://www.jamris.org/index.php/JAMRIS/article/view/507.