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language_ss:"e"
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theme_ss:"Universale Facettenklassifikationen"
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type_ss:"a"
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year_i:[1970 TO 1980}
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- author's%3a%22Soergel%2c D.%22 2
- authors%3a%22Soergel%2c D.%22 2
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Austin, D.: ¬The CRG research into a freely faceted scheme (1976)
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Austin, D.: Differences between library classifications and machine-based subject retrieval systems : some inferences drawn from research in Britain, 1963-1973 (1979)
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