N.V. Efimov ; translated from the Russian by P.C. Sinha. G.E. Shilov ; translated from the Russian by S. Sosinsky. L.I. Sedov ; translated from the Russian by V.I. Kisin. G. E. Shilov ; translated from the Russian by V. I. Kisin. V.V. Petrov ; translated from the Russian by A.A. Brown. A. Luikov, translated from the russian by T. Koutneva. L.V. Tarasov ; translated from the Russian by V. Kisin. I.M. Sobol ; translated from the Russian by V. I. Kisin. A. Luikov ; translated from the Russian by T. Kortneva. G. Klimov ; translated from the Russian by Oleg Efimov.