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Hayer, L.: Lazarsfeld zitiert : eine bibliometrische Analyse (2008)
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Wildner, B.: Web of Science - Scopus : Auf der Suche nach Zitierungen (2006)
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Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003)
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