Hits 1-10 within 20 documents
Hits 1-10 within 20 documents
Author(s): Stiehler, Hans-Jörg.- 1985. 32p.
Author(s): Gehrisch, Harald.- 1975. 39p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 25p.
Author(s): Stiehler, Hans-Jörg.- 1982. 7p.
Author(s): Brück, Wolfgang.- 1982. 10p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Author(s): Gehrisch, Harald.- 1977. 24p.
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.
Author(s): Wiedemann, Dieter.- 1988. 33p.