21
Published: 2004
22
Published: 1990
23
Published: 1986
24
Umweltbericht / Vegetation / Harald Bauch ... / Österreichisches Bundesinstitut für Gesundheitswesen
Published: 1989
Superior document: Umweltbericht
25
Published: 1989
Superior document: Umweltbericht
26
Published: 1985
27
Published: 1991
28
Published: 1989
Superior document: Umweltbericht
29
Published: 1989
Superior document: Umweltbericht
30
Published: 2002
Links: Volltext
31
Published: 1986
32
Published: 1987
33
Published: 1973-1985
34
Published: -2006;, 1975-2007