%0 Journal Article %A A. I. Timchenko %T Some features of the subsurface radar sounding of the natural objects %J Doklady Akademii Nauk %D 1987 %P 1091-1094 %V 297 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_297_5_a15/ %G ru %F DAN_1987_297_5_a15