404: Not Found<div class="csl-bib-body">
  <div class="csl-entry">Kovbasiuk, I. M., et al. “CAUSES OF POOR QUALITY CASING OF DIRECTIONAL WELLS AT THE DRILLING DEPARTMENT «UKRBURGAZ» AND METODS FOR THEIR ELIMINATION”. <i>Oil and Gas Power Engineering</i>, no. 1(31), June 2019, pp. 26-35, doi:10.31471/1993-9868-2019-1(31)-26-35.</div>
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