Hits 61-69 within 69 documents
Hits 61-69 within 69 documents
Author(s): Schauer, Heinz.- 1977. 49p.
Author(s): Kasek, Leonhard.- 1978. 22p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 25p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 33p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 30p.
Author(s): Gerth, Werner.- 1970. 43p.
Author(s): Starke, Kurt; Schauer, Heinz; Hoffmann, Achim; Neise, Ulrich.- 1975. 23p.
Author(s): Rentzsch, S..- 1974. 35p.
Author(s): Stiehler, Hans-Jörg.- 1976. 13p.