Hits 1-7 within 7 documents
Hits 1-7 within 7 documents
Author(s): Bless, Herbert; Schwarz, Norbert.- 1991. 17p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 55p.
Author(s): Thiele, Gisela.- 1990. 24p.
Author(s): Weller, Konrad.- 1990. 27p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 82p.
Author(s): Hilton, Denis J..- 1991. 48,15p.
Author(s): Ryvkina, Rozalina; Kosals, Leonid.- 1999. 36p.