Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Pampel, Heinz; Bertelmann, Roland; Hobohm, Hans-Christoph.- 2010. 20p.
Editor(s): GESIS - Leibniz-Institut für Sozialwissenschaften.- 2020. 19p.
Author(s): Siegert, Olaf; Toepfer, Ralf.- 2011. 12p.