Author(s): Hoffmann, Elke; Menning, Sonja; Borch, Jörn.- 2009. 74p.

Author(s): Menning, Sonja; Hoffmann, Elke.- 2009. 31p.

Author(s): Hoffmann, Elke; Flascha, Michael; Tesch-Römer, Clemens.- 2004. 20p.

Author(s): Menning, Sonja; Hoffmann, Elke.- 2009. 35p.

Author(s): Menning, Sonja; Hoffmann, Elke; Engstler, Heribert.- 2007. 31p.

Author(s): Hoffmann, Elke; Romeu Gordo, Laura; Simonson, Julia; Tesch-Römer, Clemens; Nowossadeck, Sonja.- 2014. 11p.

Author(s): Hoffmann, Elke; Romeu Gordo, Laura.- 2013. 30p.

Author(s): Hoffmann, Elke; Nachtmann, Juliane.- 2007. 27p.

Author(s): Hoffmann, Elke; Romeu Gordo, Laura; Nowossadeck, Sonja; Simonson, Julia; Tesch-Römer, Clemens.- 2017. 12p.

Author(s): Hoffmann, Elke; Romeu Gordo, Laura; Nowossadeck, Sonja; Simonson, Julia; Tesch-Römer, Clemens.- 2017. 12p.