Gravitational and electromagnetic radiation from binary black holes with electric and magnetic charges: elliptical orbits on a coneLang Liu, Øyvind Christiansen, Wen-Hong Ruan, Zong-Kuan Guo, Rong-Gen Cai and Sang Pyo KimEur. Phys. J. C, 81 11 (2021) 1048DOI: https://doi.org/10.1140/epjc/s10052-021-09849-4