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  • × year_i:[1970 TO 1980}
  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.01 
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    LCSH
    Information storage and retrieval systems
    Subject
    Information storage and retrieval systems