?:citationString
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European Commission, Brussels (2019): Eurobarometer 91.2 (2019). GESIS Data Archive, Cologne. ZA7562 Data file Version 1.0.0, doi:10.4232/1.13318
(en)
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European Commission, Brussels (2019): Eurobarometer 91.2 (2019). GESIS Datenarchiv, Köln. ZA7562 Datenfile Version 1.0.0, doi:10.4232/1.13318
(de)
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