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Falk, H.: Building and using document databases (1998)
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Gagan, D.: Scanning: a survival guide : 7 (1993)
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Foott, D.: Scanner technology and the addition of contents pages to library records (1993)
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Gagan, D.: Scanning: a survival guide : 3: image scanning - choice and controls (1993)
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Casale, M.: CD-ROM database quality (1993)
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