1. L. P. Babich, “Neutron Generation in Gigantic Upward Atmospheric Discharges,” Pis’ma Zh. Eksp. Teor. Fiz. 84(6), 345–348 (2006).
2. L. P. Babich and R. A. Roussel-Dupre, “The Origin of Neutron Flux Increases Observed in Correlation with Lightning,” J. Geophys. Res. 112, D13303 (2007).
3. L. P. Babich, R. I. Il’kaev, A. Yu. Kudryavtsev, et al., “Analysis of Atmospheric Gamma Ray Bursts Registered by Orbital Stations,” Dokl. Akad. Nauk 381, 247–250 (2001).
4. L. P. Babich, R. I. Il’kaev, I. M. Kutsyk, et al., “Calculation of High-Altitude Optical Phenomena above Clouds Based on the Mechanism with the Participation of Relativistic Electron Avalanche,” Dokl. Akad. Nauk 388(3), 383–386 (2003).
5. L. P. Babich, R. I. Il’kaev, I. M. Kutsyk, et al., “Self-Consistent Calculation of Upward Atmospheric Discharge Developing in the Mode of Relativistic Runaway Electron Avalanches,” Geomagn. Aeron. 44(2), 254–265 (2004a) [Geomagn. Aeron. 44, 231–242 (2004a)].