INFLUENCE OF A CATALYTIC REACTION ON THE SURFACE COMPOSITION AND ROUGHNESS FACTOR OF PALLADIUM-RUTHENIUM ALLOYS Article Ustinova T.S., Smirnov V.S., Gryaznov V.M., Antoshin G.V., Shpiro E.S., Onwodi F.A., Shimulis V.I., Minachev Kh.M. Reaction Kinetics & Catalysis Letters. Kluwer Academic Publishers. Vol. 9. 1978. P. 227-232