the Route of the Uralian excursion
английский/the Route of the Uralian excursion / Under the direction of A. N. Zavaritzky and N. M. Fedorovsky ; International geological congress. XVII session. 1937.the Route of the Uralian excursion / Under the direction of A. N. Zavaritzky and N. M. Fedorovsky.the Route of the Uralian excursion.Moscow/, 1937 ( ). - 1937. - 6 с. ; 22 см см.the Route of the Uralian excursion. Moscow, 1937 .Геологические экскурсии/nlr_sh1/International geological congress (; 1937; Moscow)/