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Book
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Book
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Published: Frankfurt/M. : Beltz, 1980
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Book
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by Noelle-Neumann, Elisabeth, 1916-2010 1916-2010
Published: Allensbach : Inst. für Demoskopie, 1984
Published: Allensbach : Inst. für Demoskopie, 1984
Book
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Published: 1993
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Published: München : Pressedienst Demokratische Initiative, [1979]
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Book
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