Radio seismology of the outer solar coronaT. V. Zaqarashvili, V. N. Melnik, A. I. Brazhenko, M. Panchenko, A. A. Konovalenko, A. V. Franzuzenko, V. V. Dorovskyy and H. O. RuckerA&A, 555 (2013) A55DOI: https://doi.org/10.1051/0004-6361/201321548
