Hits 21-30 within 36 documents
Hits 21-30 within 36 documents
Author(s): Netzker, Wolfgang.- 1979. 13p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 323p.
Author(s): Mehlhorn, Hans-Georg.- 1979. 82p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1977. 62p.
Author(s): Friedrich, Walter.- 1979. 5p.
Author(s): Ulrich, Gisela.- 1975. 49p.
Author(s): Starke, Kurt; Siegel, Ulrike; Förster, Peter.- 1974. 237p.
Author(s): Enke, Annelies; Pinther, Arnold.- 1974. 32p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 176p.
Author(s): Gerth, Werner; Niebling, Birgit.- 1975. 51p.