Hits 21-30 within 51 documents
Hits 21-30 within 51 documents
Author(s): Hoffmann, Achim.- 1980. 79p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1977. 37p.
Author(s): Schauer, Heinz.- 1980. 51p.
Author(s): Mehlhorn, Hans-Georg.- 1977. 144p.
Author(s): Nicklisch, E.; Schreier, Kerstin; Rochlitz, Manfred; Matrazek.- 1988. 67p.
Author(s): Kasek, Leonhard; Schauer, Heinz; Hoffmann, A.; Starke, Kurt.- 1975. 183p.
Author(s): Schmidt, Harald; Lauer, Guido.- 1984. 28p.
Author(s): Weller, Konrad.- 1985. 23p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1988. 66p.
Author(s): Weller, Konrad.- 1987. 90p.