| 1 | Shevchenko L.A, Kovalev V.A., Grishin V.Y. Formation of gas flow in the well during the long directional drilling. Vestnik Kuzbasskogo gosudarstvennogo tekhnicheskogo universiteta=Bulletin of the Kuzbass State Technical University. 2013; 4(98):58-60. (In Russ., abstract in Eng.). | MORE INFO | DOWNLOAD |
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