TY - JOUR A1 - Mironova, I. A. A1 - Usoskin, I. G. A1 - Kovaltsov, G. A. A1 - Petelina, S. V. T1 - Possible effect of extreme solar energetic particle event of 20 January 2005 on polar stratospheric aerosols: direct observational evidence JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 11 IS - 5 SP - 14003 EP - 14029 Y1 - 2011/05/06 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/11/14003/2011/ L1 - http://www.atmos-chem-phys-discuss.net/11/14003/2011/acpd-11-14003-2011.pdf DO - 10.5194/acpd-11-14003-2011 ER -