Weinhold, T.; Bekavec, B.; Schneider, G.; Bauer, L.; Böller, N.: Wissenschaftliche Suchmaschinen : Übersicht, Technologien, Funktionen und Vergleich (2011)
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- Source
- Handbuch Internet-Suchmaschinen, 2: Neue Entwicklungen in der Web-Suche. Hrsg.: D. Lewandowski
