Hits 1-10 within 23 documents
Hits 1-10 within 23 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1983. 15p.
Author(s): Förster, Peter.- 1987. 31p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1967. 374p.
Author(s): Netzker, Wolfgang.- 1985. 63p.
Author(s): Dennhardt, Rudolf.- 1988. 8p.
Author(s): Dennhardt, Rudolf.- 1989. 69p.
Author(s): Bathke, Gustav-Wilhelm; Hoffmann, Achim; Kasek, Leonhard; Schauer, Heinz.- 1980. 58p.
Author(s): Müller, Margrit.- 1987. 42p.
Author(s): Geier, Wolfgang.- 1980. 8p.