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The chief name of an item, including any alternative title, but excluding subtitles, parallel titles, and other title information.
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Uniform Product Code. A 12-digit number used to identify many retail products. In libraries they are most often found as a barcode on DVDs and Blu-Ray Discs. In MARC records these are recorded in the 024 field.
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A widely used set of characters. It is indented to include all possible characters from all scripts world wide. It replaces MARC8 because it includes many more characters and scripts. Sierra stores data in UNICODE.
Variable Field
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