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Leydesdorff, L.: Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (2007)
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Moya Anegón, F. de; López-Huertas, M.J.: ¬An automatic model for updating the conceptual structure of a scientific discipline (2000)
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Kousha, K.; Thelwall, M.: Patent citation analysis with Google (2017)
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Poetzsch, E.: Vorstellungen zum Aufbau des Auskunftsdienstes "Informationen zur Biotechnologie" (1988)
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ISI offers Intranet access to citation databases (1997)
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