Hits 21-30 within 162 documents
Hits 21-30 within 162 documents
Author(s): Förster, Peter.- 1976. 19p.
Author(s): Kasek, Leonhard.- 1985. 14p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.
Author(s): Hoffmann, Achim.- 1972. 22p.
Author(s): Thyrolf, Monika.- 1970. 46p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 18p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 45p.
Author(s): Lange, Günter.- 1982. 29p.
Author(s): Schmidt, Harald.- 1985. 139p.
Author(s): Müller, Margrit.- 1989. 27p.