%0 Journal Article %T Emanation and electrical effects in the subsoils atmosphere above Kaluga impact ring structure %A Kozlova, N.S. %A Rudakov, V.P. %A Shuleykin, V.N. %A Voitov, G.I. %A Baranova, L.V. %K emanation and electrical effects, subsoils atmosphere, Kaluga impact ring structure, hydrogen-thoron emanation survey. %J Russian Journal of Earth Sciences %D 1999 %N 1 %P 7 %I Geophysical Center of the Russian Academy of Sciences