Hits 31-40 within 86 documents
Hits 31-40 within 86 documents
Author(s): Kreher, S..- 1976. 57p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1976. 64p.
Author(s): Gerth, Werner; Kaftan, Burkhard; Netzker, Wolfgang.- 1976. 80p.
Author(s): Ronneberg, Heinz.- 1977. 22p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 39p.
Author(s): Gerth, Werner.- 1975. 10p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 10p.
Author(s): Geier, Wolfgang; Ulbrich, Hans-Joachim.- 1976. 71p.
Author(s): Kaftan, Burkhard.- 1977. 28p.
Author(s): Förster, Peter.- 1976. 62p.