%0 Journal Article %T Investigation of geo-effective properties of halo coronal mass ejections %A Bhardwaj, S.. %A Khan, P.. %A Atulkar, R.. %A Purohit, P.K. %K Halo CMEs, geomagnetic storms, geo-effectiveness %J Russian Journal of Earth Sciences %D 2018 %N 18 %P 5 %I Geophysical Center of the Russian Academy of Sciences