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              Berger-Schmitt R, Noll H-H. Conceptual Framework and Structure of a European System of Social Indicators: EuReporting Working Paper No. 9. Mannheim: Centre for Survey Research and Methodology (ZUMA);
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              Berger-Schmitt R., & Noll H.-H. (2000). Conceptual framework and structure of a European System of Social Indicators. EuReporting Working Paper 9, Centre for Survey Research and Methodology (ZUMA), Mannheim.
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              Berger-Schmitt, R./Noll, H.-H. (2000), Conceptual Framework and Structure of a Euro- pean System of Social Innovation, Mannheim.
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              Berger-Schmitt, R.; Noll, H.-H. Conceptual Framework and Structure of a European System of Social Indicators;
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              Berger-Schmitt, Regina und Heinz-Herbert Noll 2000: Conceptual Framework and Struc- ture of a European System of Social Indicators. Mannheim: EuReporting Working Paper No. 3
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              BergerSchmitt, Regina/ Noll, HeinzHerbert (2000) Conceptual Framework and Structure of a European System of Social Indicators. EuRe porting Working Paper, Nr. 9. Mannheim.
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