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      <marc:subfield code="a">Montsion, R. M., </marc:subfield>
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      <marc:subfield code="a">3D linear referencing - a methodology / </marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 14).</marc:subfield>
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      <marc:subfield code="a">"Assigning data to a 3D framework is important for 3D modelling as it provides the backbone for all analysis. Linear Referencing is presented here as a method to capture and register drill hole data in a digital 3D work environment"--Abstract, page 4. </marc:subfield>
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