%0 Journal Article %A V. V. Nemoshkalenko %A V. G. Aleshin %A Yu. P. Dikov %A O. A. Bogatikov %A V. L. Barsukov %A A. V. Ivanov %A E. P. Moiseenko %T Investigation of regolith delivered by the automatic lunar station ``Luna-20'' using the method of X-ray photoelectron spectroscopy %J Doklady Akademii Nauk %D 1978 %P 1079-1082 %V 238 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_238_5_a16/ %G ru %F DAN_1978_238_5_a16