%0 Journal Article %A Z. S. Roginskii %A Yu. E. Sinyak %T Gas adsorption radiography and its application to the study of promoted catalysts in the synthesis of ammonia %J Doklady Akademii Nauk %D 1960 %P 612-615 %V 131 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a40/ %G ru %F DAN_1960_131_3_a40