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Fagan, J.L.: ¬The effectiveness of a nonsyntactic approach to automatic phrase indexing for document retrieval (1989)
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Beatty, S.: Subject enrichment using contents or index terms : the Australian Defence Force Academy experience (1992)
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Wordhoard (o.J.)
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WordHoard: finding multiword units (20??)
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Ruthven, I.; Lalmas, M.; Rijsbergen, K. van: Combining and selecting characteristics of information use (2002)
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