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Konovalenko, A., Zarka, P., Rucker, H. O., Zakharenko, V., Ulyanov, O., Sidorchuk, M., Stepkin, S., Melnik, V., Kalinichenko, N., Stanislavsky, A., Tokarsky, P., Koliadin, V., Shepelev, V., Dorovskyy, V., Bubnov, I., Yerin, S., Reznichenko, A., Litvinenko, G., Shevchuk, N., Koval, A., Vasylieva, I., Mylostna, K., Skoryk, A., Shevtsova, A., Volvach, Y., Vasylkovsky, E., Ryabov, V., Lecacheux, A., Denis, L., Panchenko, M., Fisher, G., Imai, M., Grieβmeier, J.-M., Mann, G., Litvinenko, O., Brazhenko, A., Vashchishin, R., Frantsuzenko, A., Koshovy, V., Lozinsky, A., Ivantyshyn, O., “Multi-antenna observations in the low-frequency radio astronomy of solar system objects and related topics studies”, Austrian Academy of Sciences Press, 2017, Vienna, p. 467 – 478, DOI: 10.1553/PRE8s467.
Konovalenko, A. A., Stepkin, S. V., and Vasilkovskiy, E. V., “Low-frequency radio recombination lines: observations and data processing”, Kosmichna Nauka i Tekhnologiya, vol. 23, no. 1, pp. 50–53, 2017. doi:10.15407/knit2017.01.050.
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Stepkin, S. V., Konovalenko, O. O., Vasylkivskyi, Y. V., and Mukha, D. V., “Interstellar Medium and Decameter Radio Spectroscopy”, Radio Physics and Radio Astronomy, vol. 26, no. 4, pp. 314–325, 2021. doi:10.15407/rpra26.04.314.
Vasylkivskyi, Y. V., Stepkin, S. V., and Konovalenko, O. O., “The low-frequency carbon radio recombination lines in medium toward S140 nebula”, Contributions of the Astronomical Observatory Skalnate Pleso, vol. 53, no. 1, pp. 17–27, 2023. doi:10.31577/caosp.2023.53.1.17.
Konovalenko, A. A., Stepkin, S. V., and Vasilkovskiy, E. V., “Low-frequency radio recombination lines investigations”, 2016 II International Young Scientists Forum on Applied Physics and Engineering (YSF), Kharkiv, Ukraine, 2016, pp. 218 – 221, doi: 10.1109/YSF.2016.7753841.
Vasylkivskyi, Y. V., Konovalenko, O. O., and Stepkin, S. V., “Broadband studies of decameter carbon radio recombination lines toward Cygnus A and Perseus A radio galaxies”, 2022 IEEE 2nd Ukrainian Microwave Week (UkrMW), Ukraine, 2022, p. 1 – 5, DOI: 10.1109/UkrMW58013.2022.10037153.
