V.A. Ivensen ; tr. from Russian by Eric Renner. V.A. Kovalevsky ; tr. from the Russian by Arthur Brown. A.V. Nikolaev ; tr. from Russian by Ron Hardin. V.F. Agrana t. ; tr. from the Russian by K.Z. Vedeneyeva. V.N. Tsytovich ; tr. from Russian by J.S. Wood. H.D. Ikramov ; tr. from the Russian by OLeg Efimov. Viktor G. Berezkin ; tr. from Russian by Ettre L.S. A.I. Berezhnoi ; tr. from Russian by Stanley A. Merson. E.S. Wentzel ; tr. from the Russian by Michael G. Edelev. V. Danilevsky ; tr. from the Russian by Nicholas Weinstein.