Hits 21-30 within 88 documents
Hits 21-30 within 88 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 28p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 82p.
Author(s): Förster, Peter.- 1976. 19p.
Author(s): Mehlhorn, Hans-Georg.- 1972. 13p.
Author(s): Müller, Harry; Schedlich, Heinz.- 1970. 32p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.
Author(s): Hoffmann, Achim.- 1972. 22p.
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 18p.