%0 Journal Article %A K. K. Evstrop'ev %A V. A. Kharyuzov %T On the nature of the conductivity of alkali free barium-silicate glass %J Doklady Akademii Nauk %D 1961 %P 140-142 %V 136 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_1_a34/ %G ru %F DAN_1961_136_1_a34