Hits 1-10 within 14 documents
Hits 1-10 within 14 documents
Author(s): Friedrich, Walter.- 1974. 27p.
Author(s): Gerth, Werner; Bertram, Barbara; Kaftan, Burkhard; Ronneberg, H..- 1975. 81p.
Author(s): Gerth, Werner.- 1975. 10p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 17p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 53p.
Author(s): Weltz, Friedrich; Schmidt, Gert.- 1971. 119p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 40p.
Author(s): Carl, Christine.- 1979. 27p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 71p.