Comparative analysis of solar radio bursts before and during CME propagation G. Dididze, B. M. Shergelashvili, V. N. Melnik, V. V. Dorovskyy, A. I. Brazhenko, S. Poedts, T. V. Zaqarashvili and M. Khodachenko A&A, 625 (2019) A63 Published online: 13 May 2019 DOI: 10.1051/0004-6361/201629489