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author_ss:"Duncan, E.B."
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theme_ss:"Klassifikationssysteme im Online-Retrieval"
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year_i:[1980 TO 1990}
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- author's%3a%22Sabbata%2c S. de%22 2
- authors%3a%22Sabbata%2c S. de%22 2
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Duncan, E.B.: Structuring knowledge bases for designers of learning materials (1989)
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- Source
- Hypermedia. 1(1989) no.1, S.20-33
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Duncan, E.B.: ¬A faceted approach to hypertext (1989)
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- Pages
- S.157-163