Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Kratzer, Nick; Sauer, Dieter; Hacket, Anne; Trinks, Katrin; Wagner, Alexandra.- 2003. 54p.
Author(s): Kratzer, Nick; Nies, Sarah; Pangert, Barbara; Vogl, Gerlinde.- 2011. 14p.
Author(s): Döhl, Volker; Kratzer, Nick; Bernien, Maritta; Schaefer, Reinhard; Wahse, Jürgen.- 1998. 181p.