Hits 1-10 within 27 documents
Hits 1-10 within 27 documents
Author(s): Stiehler, Hans-Jörg.- 1976. 13p.
Author(s): Stiehler, Hans-Jörg.- 1979. 53p.
Author(s): Vetter, Berndt.- 1970. 20p.
Author(s): Gehrisch, Harald.- 1975. 39p.
Author(s): Siegel, Ulrike.- 1970. 25p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1974. 34p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 25p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.