Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Hannsmann, M.-L.; Kasek, Leonhard.- 1976. 149p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1983. 48p.
Author(s): Fischer, Evelyne; Kasek, Leonhard; Spitzky, N.; Thiele, Gisela; Ulrich, Gisela.- 1989. 89p.
Author(s): Enke, Annelies; Pinther, Arnold.- 1974. 32p.