Hits 1-10 within 52 documents
Hits 1-10 within 52 documents
Author(s): Carl, Christine; Ronneberg, Heinz; Scholz, Lothar.- 1980. 22p.
Author(s): Hoffmann, Achim.- 1987. 11p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1986. 88p.
Author(s): Ronneberg, Heinz.- 1981. 30p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 29p.
Author(s): Ronneberg, Heinz.- 1982. 46p.
Author(s): Stiehler, Hans-Jörg.- 1982. 15p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1983. 15p.
Author(s): Gerth, Werner.- 1980. 14p.
Author(s): Friedrich, Walter.- 1987. 30p.