Hits 11-14 within 14 documents
Hits 11-14 within 14 documents
Author(s): Kaftan, Burkhard; Gerth, Werner; Bertram, Barbara; Ronneberg, Heinz; Kaftan, Burkhard; Netzker, Wolfgang; Fischer, Axel.- 1977. 100p.
Author(s): Müller, Harry.- 1989. 14p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1987. 24p.
Author(s): Becker, Martin.- 2022. 81p.