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Beall, J.; Kafadar, K.: Measuring typographical errors' impact on retrieval in bibliographic databases (2007)
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Shin, H.-s.: Quality of Korean cataloging records in shared databases (2003)
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Zeng, L.: Quality control of Chinese-language records using a rule-based data validation system : Part 1: an evaluation of the quality of Chinese-language records in the OCLC OLUC database (1993)
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Ballard, T.: Systematic identification of typographical errors in library catalogs (2008)
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Ballard, T.: Spelling and typographical errors in library databases (1992)
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