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Göbel, S.; Sperber, W.: Bibliographische Klassifikationen in der Mathematik : Werkzeuge der inhaltlichen Erschließung und für das Retrieval (2010)
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- Forum der Berliner Mathematischen Gesellschaft. 12(2010) S.77-99
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Sperber, W.; Wegner, B.: Content Analysis in der Mathematik : Erschließung und Retrieval mathematischer Publikationen (2010)
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- Information und Wissen: global, sozial und frei? Proceedings des 12. Internationalen Symposiums für Informationswissenschaft (ISI 2011) ; Hildesheim, 9. - 11. März 2011. Hrsg.: J. Griesbaum, T. Mandl u. C. Womser-Hacker
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Greuel, G.-M.; Sperber, W.: swMATH - ein neuer Service für die Suche nach mathematischer Software (2013)
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- Mitteilungen der Deutschen Mathematiker-Vereinigung. 2013, H.1, S.12-13