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  • × author_ss:"Engel, D."
  • × type_ss:"x"
  • × year_i:[1980 TO 1990}
  1. Engel, D.: "Faktenbücher" und ihr Nutzwert für den Auskunftsdienst : Typologie und vergleichende Untersuchung ausgewählter Beispiele (1985) 0.01 
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