Electromagnetic emissions from near-horizon region of an extreme Kerr-Taub-NUT black hole Fen Long, Songbai Chen, Jieci Wang and Jiliang Jing Eur. Phys. J. C, 79 6 (2019) 466 Published online: 04 June 2019 DOI: 10.1140/epjc/s10052-019-6989-8