Hits 21-30 within 132 documents
Hits 21-30 within 132 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 82p.
Author(s): Stiehler, Hans-Jörg; Wiedemann, Dieter; Hahn, Jochen.- 1982. 41p.
Author(s): Schmidt, Harald.- 1985. 139p.
Author(s): Stiehler, Hans-Jörg.- 1985. 32p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 19p.
Author(s): Gerth, Werner.- 1986. 42p.
Author(s): Ronneberg, Heinz.- 1980. 17p.
Author(s): Kasek, Leonhard; Fischer, Evelyne; Hartung, U.; Thiele, Gisela; Ulrich, Gisela.- 1989. 86p.
Author(s): Förster, Peter.- 1987. 31p.
Author(s): Schmidt, H..- 1980. 37p.