Heiser, W.J.: Zoeken in de bibliografische ruimte : de bijzondere rol van de hierarchische classificaties bij geautomatiseerde onderwerpsontsluiting (1993)
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- Date
- 29. 1.1996 17:02:33
- Source
- Open. 25(1993) no.2, S.46-50
- Year
- 1993
