Hits 1-7 within 7 documents
Hits 1-7 within 7 documents
Author(s): Gerth, Werner; Starke, Kurt; Hahn, Jochen.- 1984. 69p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 7p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 19p.
Author(s): Oschlies, Wolf.- 2002. 32p.
Author(s): Rudolf, Peter.- 2006. 28p.
Author(s): Stiehler, Hans-Jörg.- 1980. 38p.