1
Published: 2001
2
Published: 2000
3
Published: 1994-2010
4
Published: 2000-2002
5
Published: 2002-2003
6
Published: 1967-2004
7
Published: 1994
Superior document: Bericht über die soziale Lage Ressortaktivitäten und Analysen 1993(1994)