1. Petersen, D. and Beasley, W., Microwave radio emissions of negative cloud-to-ground lightning flashes, Atmos. Res., 2014, vol. 135, pp. 314–321. https://doi.org/10.1016/j.atmosres.2013.02.006
2. Montanyà, J., Fabró, F., March, V., van der Velde, O., Solà, G., Romero, D., and Argemí, O., X-rays and microwave RF power from high voltage laboratory sparks, J. Atmos. Sol.-Terr. Phys., 2015, vol. 136, pp. 94–97. https://doi.org/10.1016/j.jastp.2015.06.009
3. Kochkin, P., Montanya, J., and March, V., X-rays from long laboratory sparks in air, Generation of Runaway Electron Beams and X-Rays in High Pressure Gases. Vol.1: Techniques and Measurements, Tarasenko, V.F., Ed., Eindhoven: Nova Science, 2016, p. 157.
4. Baidin, I.S., Oginov, A.V., and Parkevich, E.V., Ultra-wideband antenna for recording radio emission in the initial phase of a high-voltage laboratory atmospheric discharge, Tech. Phys., 2021, no. 12 (in press).
5. Chaikovsky, S.A., Oginov, A.V., Shpakov, K.V., Bogachenkov, V.A., Volkov, E.N., and Sukovatitsin, Yu.A., Oil-filled PG with an oil-air insulator for experiments on the breakdown of long atmospheric intervals, Izv. Vyssh. Uchebn. Zaved. Fiz., 2015, vol. 58, no. 9-2, pp. 258–262.