Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 28p.
Author(s): Künzel, Monika; Stiehler, Hans-Jörg.- 1981. 19p.
Author(s): Pinther, Arnold.- 1968. 33p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 39p.
Author(s): Kaftan, Burkhard.- 1983. 16p.