Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Liebig, Stefan; Mau, Steffen.- 2005. 31p.
Author(s): Witte, Erich H.; Quaquebeke, Niels van; Mölders, Christina.- 2008. 26p.
Author(s): Witte, Erich H.; Mölders, Christina; Peytsch, Oliver.- 2009. 19p.
Editor(s): Institut für Demoskopie Allensbach (IfD).- 2017. 130p.