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  • × author_ss:"Boettcher, J."
  • × theme_ss:"Informationsmittel"
  • × year_i:[1990 TO 2000}
  1. Boettcher, J.; Kingma, B.R.: Telephone directories : alternatives to print (1994) 0.01 
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    Source
    Reference services review. 22(1994) no.2, S.53-61