%0 Journal Article %A I. B. Rapoport %A V. N. Kulakov %T On the semiconducting properties of iron-copper catalysts and the activating effect of alkaline promoters in synthesis %J Doklady Akademii Nauk %D 1958 %P 887-890 %V 123 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a30/ %G ru %F DAN_1958_123_5_a30