Enikeev, V. (1970). Practical aid for oil well operators. Mir Publishers.
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Chicago-čujuhus (17. p.)
Enikeev, V. Practical Aid for Oil Well Operators. Moscow: Mir Publishers, 1970.
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MLA-čujuhus (9. p.)
Enikeev, V. Practical Aid for Oil Well Operators. Mir Publishers, 1970.
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