Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Author(s): Quaquebeke, Niels van; Brodbeck, Felix C..- 2006. 22p.
Author(s): Döhl, Volker; Sauer, Dieter; Trautwein-Kalms, Gudrun.- 1998. 99p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 26p.
Author(s): Rost, Harald; Schmidt, Jan.- 2003. 37p.
Author(s): Hainke, Steffen; Dick, Michael.- 1999. 31p.