Hits 21-30 within 44 documents
Hits 21-30 within 44 documents
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1967. 21p.
Author(s): Gerth, Werner.- 1967. 31p.
Author(s): Mehlhorn, Hans-Georg.- 1977. 40p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 39p.
Author(s): Starke, Kurt; Kasek, Leonhard; Hoffmann, Achim; Neise, Ulrich; Schauer, Heinz.- 1977. 33p.
Author(s): Bisky, Lothar; Dorn, H.; Stiehler, Hans-Jörg.- 1976. 45p.
Author(s): Stiehler, Hans-Jörg.- 1977. 21p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 49p.
Author(s): Kaftan, Burkhard.- 1983. 16p.