%0 Journal Article %T Ionospheric response to annular and partial solar eclipse of 29 April 2014 in Antarctica and Australian Regions %A , .. %A , .. %A , .. %A , .. %K Annular solar eclipse, ionospheric parameters, sporadic $E$, critical frequency %J Russian Journal of Earth Sciences %D 2015 %N 15 %P 7 %I Геофизический центр Российской Академии Наук