%0 Journal Article %A A. I. Okunev %A V. S. Bovykin %T The activity of zinc oxide in lead and copper slags during the fuming process %J Doklady Akademii Nauk %D 1957 %P 77-78 %V 112 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_1_a19/ %G ru %F DAN_1957_112_1_a19