Hits 1-2 within 2 documents
Hits 1-2 within 2 documents
Author(s): Frick, Joachim R.; Grabka, Markus M.; Groh-Samberg, Olaf; Hertel, Florian R.; Tucci, Ingrid; Fries, Alexander; Niehues, Wenke; Winkler, Oliver; Yildiz, Safiye.- 2009. VII, 257p.
Author(s): Börsch-Supan, Axel; Roth, Markus; Wagner, Gert G..- 2017. 80p.