Panasenco, O., Veselovsky, I. S., Dmitriev, A. V., Zhukov, A. N., Yakovchouk, O. S., Zhitnik, I. A., et al. (2005). Solar origins of intense geomagnetic storms in 2002 as seen by the CORONAS-F satellite. Advances in Space Research, 36(8), 1595-1603. doi:10.1016/j.asr.2005.08.029.