Hits 41-50 within 195 documents
Hits 41-50 within 195 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 35p.
Author(s): Stiehler, Hans-Jörg.- 1990. 16p.
Author(s): Förster, Peter.- 1982. 53p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
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.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1981. 189p.
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.