Hits 21-24 within 24 documents
Hits 21-24 within 24 documents
Author(s): Ulrich, Gisela.- 1975. 49p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1985. 103p.
Author(s): Thiele, Gisela.- 1987. 21p.
Author(s): Gerstenberger, P.; Kalina, G.; Krüger, E.; Wiese, M.; Zinßler, M..- 1988. 140p.