Hits 1-10 within 14 documents
Hits 1-10 within 14 documents
Author(s): Mehlhorn, Hans-Georg.- 1984. 15p.
Author(s): Schmidt, Tanja; Bartelheimer, Peter.- 2010. 45p.
Author(s): Bartelheimer, Peter.- 2014. 37p.
Author(s): Fischer, Evelyne; Kasek, Leonhard; Thiele, Gisela.- 1986. 39p.
Author(s): Mehlhorn, Hans-Georg.- 1984. 42p.
Author(s): Gläßer, Annelie.- 1986. 23p.
Author(s): Voges, Wolfgang; Jürgens, Olaf; Mauer, Andreas; Meyer, Eike.- 2003. 278p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1989. 201p.
Author(s): Stiehler, Hans-Jörg.- 1987. 33p.
Author(s): Leemann, Regula Julia; Stutz, Heidi.- 2008. 101p.