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BACKGROUND: In the past many subject headings were established in inverted form, for example, Chemistry, Analytic; Insurance, Health; Bridges, Concrete
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Document Date: 2013-06-19 13:55:17
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File Size: 47,92 KB
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BACKGROUND: In the past many subject headings were established in inverted form, for example, Chemistry, Analytic; Insurance, Health; Bridges, Concrete