Hits 11-20 within 269 documents
Hits 11-20 within 269 documents
Author(s): Gerth, Werner; Bertram, Barbara.- 1970. 71p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 29p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 161p.
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.