Neubert, N. Østgaard, V. Reglero, O. Chanrion, M. Heumesser, K. Dimitriadou, F. Christiansen, C. Budtz-Jørgensen, I. Kuvvetli, I.L. Rasmussen, A. Mezentsev, M. Marisaldi, G. Genov, S. Yang, P. Kochkin, J. Navarro-Gonzalez, P.H. Connell, C.J. Eyles (2019), A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning, Science, doi.org/10.1126/science.aax3872