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- lcsh's%3a%20information science %2f history%22 2
- lcshs%3a%20information science %2f history%22 2
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OCLC: WorldCat ausgebaut (2007)
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- Date
- 22. 5.2007 11:21:57
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OCLC: FirstSearch Base Package mit mehr Inhalt und neuer Plattform (2009)
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- Date
- 22. 7.2009 14:13:55