%0 Journal Article %A V. V. Rzhevskii %A A. R. Golovkin %A E. A. Dukhovskoi %A R. G. Petrochenkov %A A. A. Silin %A V. V. Shvarev %T Lunar soil (``Luna-20'') electric property investigations depending on the frequency and density %J Doklady Akademii Nauk %D 1974 %P 799-802 %V 218 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_218_4_a14/ %G ru %F DAN_1974_218_4_a14