Authors and Corporations: | , |
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published: | Düsseldorf LfR 1998 |
Part of: |
Communication Data Research
Landesanstalt für Rundfunk Nordrhein-Westfalen: LfR-Materialien ; 22 |
Media Type: | Book, E-Book |
Physical Description: | 21 S.; graph. Darst |
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Language: | German |
Part of: |
Communication Data Research
Landesanstalt für Rundfunk Nordrhein-Westfalen: LfR-Materialien ; 22 |
Collection: | Verbunddaten SWB |