Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Leisering, Lutz; Davy, Ulrike; Berner, Frank; Schwarze, Uwe; Blömeke, Patrick.- 2002. 146p.
Author(s): Henke, Jutta; Bartelheimer, Peter.- 2016. 4p.
Author(s): Bartelheimer, Peter; Henke, Jutta.- 2018. 102p.