Hits 1-10 within 25 documents
Hits 1-10 within 25 documents
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 56p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 82p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 25p.
Author(s): Bisky, Lothar; Stiehler, Hans-Jörg.- 1975. 28p.
Author(s): Stiehler, Hans-Jörg.- 1977. 48p.
Author(s): Gehrisch, Harald.- 1977. 4p.
Author(s): Gehrisch, Harald.- 1977. 24p.
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.