Short description: In Russian. Langvagen, Yakov Vasilievich. Dzulfini arsenic springs in the Nakhichevan region. Moscow; Leningrad: Geological Publishing House of Chief Geological Exploration, 1930 (Leningrad: type named after Ivan Fedorov). The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU9225792