Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Blien, Uwe; Hirschenauer, Franziska.- 2005. 19p.
Author(s): Jaenichen, Ursula; Stephan, Gesine.- 2007. 37p.
Author(s): Hainmueller, Jens; Hofmann, Barbara; Krug, Gerhard; Wolf, Katja.- 2009. 16p.
Author(s): Krug, Gerhard; Dietz, Martin; Ullrich, Britta.- 2008. 31p.