the Route of the Petroleum excursion
английский/the Route of the Petroleum excursion / Under the direction of T. M. Gubkin and A. J. Krems ; International geological congress. XVII session. 1937.the Route of the Petroleum excursion / Under the direction of T. M. Gubkin and A. J. Krems.the Route of the Petroleum excursion.Moscow/, 1937 ( ). - 1937. - 10, [1] с. ; 22 см см.the Route of the Petroleum excursion. Moscow, 1937 .Нефть -- Месторождения -- Экскурсия -- Маршруты/nlr_sh1/International geological congress (; 1937; Moscow)/