Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Fischer, Evelyne; Kasek, Leonhard; Thiele, Gisela.- 1986. 39p.
Author(s): Bertram, Barbara; Gerth, Werner; Carl, Christine.- 1980. 45p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 153p.