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Stegentritt, E.: EMIR: Multilinguales Freitextretrieval Projekt (1992)
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Freiburg, J.: Richtig suchen! : Textrecherche mit askSam (1995)
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Albus, W.; Smulders, H.: Doeltreffend zoeken in volledige teksten : 1. full-text retrieval bij de HavenInformatieBank (1998)
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Albus, W.; Smulders, H.: Doeltreffend zoeken in volledige teksten : 2. full-text retrieval bij de HavenInformatieBank (1998)
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Voorbij, H.: Title keywords and subject descriptors : a comparison of subject search entries of books in the humanities and social sciences (1998)
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