Ionospheric effects of St. Patrick's storm over Asian Russia: 17–19 March 2015: Ionospheric effects over Russia,
Zolotukhina, N., N. Polekh, V. I. Kurkin, D. Rogov, E. Romanova, M. Chelpanov (2017),
J. Geophys. Res.: Space Phys., 122 p. 2484–2504,
10.1002/2016JA023180.