Hits 11-16 within 16 documents
Hits 11-16 within 16 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 26p.
Author(s): Geier, Wolfgang.- 1979. 72p.
Author(s): Schauer, Heinz.- 1977. 49p.
Author(s): Gerth, Werner; Ronneberg, Heinz.- 1979. 25p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 25p.
Author(s): Rentzsch, S..- 1974. 35p.