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Observa Prøvevalg 1976 ... : Observa Political Index Polls, 1976 ...
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Observa. - : Danish Data Archive, 1991
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BASE
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Observa Prøvevalg 1979, august-undersøgelsen ... : Observa Political Index Polls 1979: August ...
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Observa. - : Danish Data Archive, 1991
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BASE
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Observa Political Index Polls 1977: April ... : Observa Political Index Polls 1977: April ...
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Observa. - : Danish Data Archive, 1991
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BASE
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Show details
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