Hits 1-9 within 9 documents
Hits 1-9 within 9 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 28p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 40p.
Author(s): Voß, Peter; Heinicke, Hans.- 1977. 97p.
Author(s): Geier, Wolfgang; Ulrich, Gisela; Heinicke, Hans.- 1979. 64p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 44p.
Author(s): Bonus, Hans.- 1971. 67p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 64p.
Author(s): Geier, Wolfgang.- 1979. 72p.
Author(s): Förster, Peter; Schulze, Harri.- 1979. 93p.