V.V. Petrov ; translated from the Russian by A.A. Brown. N.V. Efimov ; translated from the Russian by P.C. Sinha. E. S. Makarov ; translated from the Russian by E.B. Uvarov. N.M. Pokrovsky, translated from the Russian by I. V. Savin. L.V. Tarasov ; translated from the Russian by V. Kisin. G. E. Shilov ; translated from the Russian by V. I. Kisin. V.A. Ugarov ; translated from the Russian by Yuri Atanov. V. A. Kovalevsky ; translated from the Russian by Arthur Brown. L.V. Tarasov ; translated from the Russian by Ram S. Wadhwa. V.V. Rzhevsky, translated from the Russian by S.M. Semyonov.