Hits 11-15 within 15 documents
Hits 11-15 within 15 documents
Author(s): Wiedemann, Dieter.- 1975. 15p.
Author(s): Mehlhorn, Hans-Georg.- 1974. 23p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 27p.
Author(s): Weiß, Anita.- 1978. 22p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 34p.