Sheng Zuo, Zhongchao Lin, Zheng Yue, Daniel García Doñoro, Yu Zhang, and Xunwang Zhao, “An Efficient Parallel Hybrid Method of FEM-MLFMA for Electromagnetic Radiation and Scattering Analysis of Separated Objects”, ACES Journal, vol. 35, no. 10, pp. 1127–1136, Oct. 2020.