Hits 1-6 within 6 documents
Hits 1-6 within 6 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 25p.
Author(s): Bisky, Lothar; Stiehler, Hans-Jörg.- 1975. 28p.
Author(s): Gehrisch, Harald.- 1978. 43p.
Author(s): Gehrisch, Harald.- 1976. 17p.
Author(s): Stiehler, Hans-Jörg.- 1976. 13p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1977. 35p.