Edited by O. A. Lady鎧enskaja. [Translated from the Russian] [Compiled by P.F. Gubchevsky. Translated from the Russian] Edited by D. V. Skobel'tsyn. Translated from the Russian by James S. Wood. Edited by A. S. Predvoditelev. Authorized translation from the Russian. edited by I.M. Khalatnikov ; translated from the Russian by J.B. Sykes. Responsible editor: M.A. Leontovich. Translated from the Russian. Edited by L. D. Rozenberg. Translated from Russian by James S. Wood.