Hits 11-20 within 55 documents
Hits 11-20 within 55 documents
Author(s): Gerth, Werner.- 1987. 21p.
Author(s): Schmidt, Harald; Lauer, Guido.- 1984. 198p.
Author(s): Voß, Peter.- 1975. 17p.
Author(s): Schmidt, Lutz.- 1978. 34p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 153p.
Author(s): Gerth, Werner; Bertram, Barbara; Kaftan, Burkhard; Ronneberg, H..- 1975. 81p.
Author(s): Ronneberg, Heinz.- 1977. 80p.
Author(s): Mehlhorn, Hans-Georg.- 1979. 24p.
Author(s): Schlegel, Uta; Süße, Heinz.- 1975. 20p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 10p.