%0 Journal Article %T Possible connection of electric field variations with the size of ice particles in the polar stratosphere %A Belikov, Y.E. %A Nikolaishvili, S.S. %K Ozone, polar stratospheric clouds, Earth's electric field %J Russian Journal of Earth Sciences %D 2012 %N 12 %P 1 %I Geophysical Center of the Russian Academy of Sciences