Xu, B., X. Ni, Y. Wang, Y. Wang, Y. Liu, and X. Wang. “Optimization of Threshing Quality Control Strategy Based on Type-2 Fuzzy Logic Controller”. Elektronika Ir Elektrotechnika, vol. 26, no. 2, Apr. 2020, pp. 15-23, doi:10.5755/j01.eie.26.2.25924.