Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 9p.
Author(s): Rochlitz, Manfred; Starke, Kurt; Kasek, Leonhard.- 1983. 17p.
Author(s): Kasek, Leonhard.- 1983. 30p.
Author(s): Schauer, Heinz; Kasek, Leonhard.- 1983. 14p.
Author(s): Herting, Gabriele.- 1983. 12p.