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Lewandowski, D.: Suchmaschinen verstehen (2015)
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Berberich, S.: Kosten und Nutzung der Optimierung von Erschließung (2006)
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Quirmbach, S.: Usability und user experience in Suchmaschinen (2011)
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Ulbrich, D.: Suchmaschinenoptimierung für öffentliche Bibliotheken am Beispiel von Google (2016)
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Staud, J.L.: Relationale Datenbanken aufbauen : die ersten drei Normalformen (1994)
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