Short description: In Russian. Yakutseni, Vera Prokofievna. Procedures for the formation of helium gas deposits. Leningrad: Gostoptekhizdat. Leningrad Division, 1963. Zakonomernosti formirovaniya zalezhey gelienosnykh gazov. In Russian /Patterns of formation of helium gas deposits . 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. SKU6363841