Hits 51-60 within 268 documents
Hits 51-60 within 268 documents
Author(s): Gerth, Werner; Bertram, Barbara; Kaftan, Burkhard; Ronneberg, H..- 1975. 81p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 9p.
Author(s): Stiehler, Hans-Jörg.- 1975. 22p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 24p.
Author(s): Kasek, Leonhard; Heise, Ulrich.- 1976. 35p.
Author(s): Ronneberg, Heinz.- 1977. 80p.
Author(s): Mehlhorn, Hans-Georg.- 1979. 24p.
Author(s): Müller, Harry.- 1975. 56p.
Author(s): Gerth, Werner.- 1976. 55p.