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INSPEC erreicht 8 Millionen Einräge und kündigt Archiv an (2004)
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Gil-Leiva, I.; Alonso-Arroyo, A.: Keywords given by authors of scientific articles in database descriptors (2007)
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Shiri, A.; Chambers, T.: Information retrieval from digital libraries : assessing the potential utility of thesauri in supporting users' search behaviour in an interdisciplinary domain (2008)
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