Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 57p.
Author(s): Förster, Peter; Hoffmann, Achim; Holzweißig, Werner; Kasek, Leonhard; Lindner, Bernhard; Müller, Harry; Stiehler, Hans-Jörg.- 1985. 40p.
Author(s): Pinther, Arnold.- 1983. 12p.