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  • × theme_ss:"Informationsdienstleistungen"
  1. Roll, U.: Informationsangebot und Informationsnachfrage zu ausgewählten Gebieten der Ökologie und des Umweltschutzes (2004) 8.40
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    Umweltwissenschaft
  2. Savolainen, R.: Information source horizons and source preferences of environmental activists : a social phenomenological approach (2007) 8.40
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