Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Gerß, Wolfgang; Gerß, Joachim.- 2005. 55p.
Author(s): Meyer, Frank; Miggelbrink, Judith; Schwarzenberg, Tom.- 2017. 66p.
Author(s): Bartl, Walter.- 2012. 50p.
Editor(s): Institut für Demoskopie Allensbach (IfD).- 2014. 72p.