Hits 1-10 within 24 documents
Hits 1-10 within 24 documents
Author(s): Mehlhorn, Hans-Georg.- 1984. 15p.
Author(s): Kröhnert, Steffen; Morgenstern, Annegret; Klingholz, Reiner.- 2007. 31p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 37p.
Author(s): Geser, Hans.- 2005. 23p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1986. 123p.
Author(s): Mehlhorn, Hans-Georg.- 1984. 42p.
Author(s): Kaftan, Burkhard.- 1971. 26p.
Author(s): Mehlhorn, Hans-Georg.- 1983. 9p.
Author(s): Spitzky, Norbert.- 1987. 31p.
Author(s): Wittke, Volker; Briken, Kendra; Kurz, Constanze.- 2004. 223p.