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  • × year_i:[1970 TO 1980}
  1. Rijsbergen, C.J. van: Information retrieval (1979) 7.99 
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    Information storage and retrieval systems
    Subject
    Information storage and retrieval systems
  2. Kuhlen, R.: Experimentelle Morphologie in der Informationswissenschaft (1977) 7.99 
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    Information storage and retrieval systems
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    Information storage and retrieval systems

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