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Ulrich, P.S.: Collaborative Digital Reference Service : Weltweites Projekt (2001)
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- Date
- 20. 4.2002 17:30:22
- Source
- Bibliotheksdienst. 35(2001) H.2, S.217-218
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Ulrich, P.S.: It works : Die Arbeit des Collaborative Digital Reference Service (CDRS) (2002)
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- Source
- BuB. 54(2002) H.4, S.238-242
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- a
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Ulrich, P.S.: Einsatz und Erfahrungen mit QuestionPoint in der Zentral- und Landesbibliothek Berlin (2004)
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- Source
- Bibliotheksdienst. 38(2004) H.1, S.54-60
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