RJES         

RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 1, NO. 6, PAGES 503–510, doi:10.2205/1999ES000027, 1999

Emanation and electrical effects in the subsoils atmosphere above Kaluga impact ring structure

N. S. Kozlova, V. P. Rudakov, V. N. Shuleykin, G. I. Voitov, and L. V. Baranova