A.I. Kitaigorodskym ; tr. from the Russian by George Yankovsky. M. Vygodaky ; tr. from the Russian by Geoger Yankovsky. N. Piskunov ; tr. from the Russian by George Yankovsky. A.I. Kitaigorodsky ; tr. from the Russian by Nicholas Weinstein. A.G. Svshnikov, A.N. Tikhonov ; tr. from the Russian by George Yankovsky. V. Rydnik ; tr. from the Russian by G. Yankovsky. S.M. Nikol'skii ; tr. from the Russian by J.M. Danskin. A. Kutepov ; tr. from the Russian by Oleg Meshkov. L.A. Artsimovich ; tr. from the Russian by Oleg Glebov. V.A. Kovalevsky ; tr. from the Russian by Arthur Brown.