V. T. Dinh, D. B. Vu, N. P. Vu, and M. C. Nguyen, “Optimal Design of a Two-Stage Helical Gearbox Using NSGA-II and MAIRCA: A Trade-Off between Performance and Axial Length”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 4, pp. 26100–26106, Aug. 2025.