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      <marc:subfield code="a">Coates, D. F., </marc:subfield>
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      <marc:subfield code="a">Rock anchor design mechanics / </marc:subfield>
      <marc:subfield code="c">D.F. Coates and Y.S. Yu, Mining Research Centre.</marc:subfield>
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      <marc:subfield code="c">1971.</marc:subfield>
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      <marc:subfield code="c">©1971</marc:subfield>
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      <marc:subfield code="a">Research report ; </marc:subfield>
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      <marc:subfield code="a">Title from cover.</marc:subfield>
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      <marc:subfield code="a">"January 1971."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Natural Resources Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Rock anchors are useful and, in many cases, important structural elements. However, little research work has been conducted on the mechanics of their behaviour. For these reasons, some finite element studies were conducted to clarify certain aspects of the stress distributions in the rock surrounding typical anchors"--Abstract, page i.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Yu, Y. S., </marc:subfield>
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      <marc:subfield code="a">Research report (Canada. Mines Branch)</marc:subfield>
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