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classification_ss:"Bib A 591 / Auskunft"
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subject_ss:"Information services"
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theme_ss:"Informationsdienstleistungen"
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year_i:[1990 TO 2000}
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- sodass%3a%22WBR 56%22 2
- ssess%3a%22WBR 56%22 2
- sdss%3a%22WBR 56%22 2
- ssds%3a%22WBR 56%22 2
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Reference and information services : an introduction (1991)
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- Date
- 1. 3.2008 10:13:56
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Reference and information services : an introduction (1995)
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- Date
- 8. 3.2008 9:52:56