The petroleum excursion. Fascikle 3, The Daghestanian and Chechenian-Ingushetian ASSR - Krems, Andrej Jakovlevič, 1899-1975; International Geological Congress 1937 : Moskva, Rusko) (Moscow : Chief Editorial Office of the Mining-Fuel and Geological-Prospecting Literature, 1937)
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Keywords: ložiska ropy; ložiska zemního plynu; natural gas deposits; petroleum deposits; Dagestán (Rusko); Čečensko (Rusko); Ingušsko (Rusko)