Hits 1-7 within 7 documents
Hits 1-7 within 7 documents
Author(s): Schubarth, Wilfried.- 1989. 26p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1985. 22p.
Author(s): Friedrich, Walter; Müller, Harry; Süße, Heinz.- 1969. 518p.
Author(s): Weiß, Anita.- 1980. 18p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1987. 13p.
Author(s): Gerth, Werner.- 1980. 14p.
Author(s): Friedrich, Walter.- 1987. 30p.