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  • × theme_ss:"OPAC"
  • × theme_ss:"Verbale Doksprachen für präkombinierte Einträge"
  • × year_i:[1980 TO 1990}
  1. Dewar, M.: Restructuring the Library of Congress Subject Headings : Subject access and bibliographic instruction: two sides of the OPAC problem (1988) 0.01
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