L.I. Gutenmakher ; tr. from the Russian by Rosalind Kent ; ed. by Allen Kent. S.N. Rshevkin ; tr. from the Russian by O.M. Blunn, tr. ed. by P.E. Doak. E.S. Wentzel ; tr. from the Russian by Michael G. Edelev. V. Tatrionov ; tr. from the Russian by David A. Myshne. V.F. Agrana t. ; tr. from the Russian by K.Z. Vedeneyeva.