%A Akademii︠a︡ nauk SSSR %A Kungl. Svenska vetenskapsakademien %A Royal Swedish Academy of Engineering Sciences %T Clean steel : lectures delivered at a Soviet-Swedish symposium in Sandviken, Sweden, 24-26 March 1971 %I Royal Swedish Academy of Engineering Sciences %D 1971 %U https://ci.nii.ac.jp/ncid/BA75406485