%0 Journal Article %A A. P. Vinogradov %A Yu. A. Surkov %A F. F. Kirnozov %A V. N. Glazov %T Natural radioactive element content in Vermsian rock (results of ``Venera-8'' space probe experiment) %J Doklady Akademii Nauk %D 1973 %P 576-579 %V 208 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_3_a21/ %G ru %F DAN_1973_208_3_a21