Hits 1-7 within 7 documents
Hits 1-7 within 7 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 8p.
Author(s): Bathke, Gustav-Wilhelm.- 1979. 10p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 78p.
Author(s): Geier, Wolfgang; Ulrich, Gisela; Heinicke, Hans.- 1979. 64p.
Author(s): Geier, Wolfgang; Wolff, Angelika; Schneider, Elisabeth; Wiedemann, Dieter.- 1974. 168p.
.- 1974. 29p.
Author(s): Schauer, Heinz.- 1977. 49p.