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  • × author_ss:"Ahrens, R."
  • × year_i:[1990 TO 2000}
  • × language_ss:"d"
  1. Ahrens, R.; Albers, U.; Erb, U.: Praxisbericht 'Elektronisches Bürgerinformationssystem in der Stadtbibliothek Bremen' (1993) 4.07 
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