Demirdal, B. (2011). Managed pressure drilling. Society of Petroleum Engineers.
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Chicago-čujuhus (17. p.)
Demirdal, Barkim. Managed Pressure Drilling. Richardson, TX: Society of Petroleum Engineers, 2011.
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MLA-čujuhus (9. p.)
Demirdal, Barkim. Managed Pressure Drilling. Society of Petroleum Engineers, 2011.
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