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Allen, R.B.: Retrieval from facet spaces (1996) 5.97

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Theme: Klassifikationssysteme im Online-Retrieval

Allen, R.B.: Navigating and searching in digital library catalogs (1994) 5.97

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Theme: Klassifikationssysteme im Online-Retrieval

Allen, R.B.: ¬Two digital library interfaces that exploit hierarchical structure (1995) 5.97

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