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Becker, H.J.; Diedrichs, R.; Eversberg, B.; Rath-Beckmann, A.; Wätjen, H.-J.; Zick, W.; Zillmann, H.: ¬Das PICA-System (1992)
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- Bibliothek: Forschung und Praxis. 16(1992) H.3, S.307-330
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Becker, H.J.; Lepschy, P.; Tappenbeck, I.: 3. META-LIB Workshop an der SUB Göttingen : Metadata: new developments - new frontiers (2000)
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- Bibliotheksdienst. 34(2000) H.10, S.1654-1659
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Becker, H.J.; Neuroth, H.: Crosssearchen und crossbrowsen von "Quality-controlled Subject Gateways" im EU-Projekt Renardus (2002)
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- Zeitschrift für Bibliothekswesen und Bibliographie. 49(2002) H.3, S.133-146