1996,29=1995/96; 1999,3=1997/98; 2000,10=1998/99; 2001,13=2001; 2002,6=2002; 2003,3=2003 von: Air pollution by ozone in Europe
1997,8=1994 von: Corinair ... inventory
1998,4=1997; 1999,12=1998; 2000,8=1999; 2001,5=2000 von: Air emissions
1998,6=1997; 1999,9=1998; 2000,4=1999; 2001,4=2000 von: Land cover
1998,7=1997; 1999,10=1998; 2000,5=1999 von: Nature conservation
1999,2=1998; 2000,1=1999 von: Inland waters
1999,5=1998 von: European Environment Agency: Catalogue of data sources
1999,6=1998; 2000,2=1999; 2001,8=2000 von: Waste
1999,7=1998; 2000,7=1999; 2001,9=2000 von: Air quality
1998,2=1997; 1999,4=1998; 2000,11=1999; 2001,11=2000 von: Marine and coastal environment
2001,2=2000 von: European Topic Centre on Inland Waters: Annual topic update
2001,16=1997 von: Air quality in the Phare countries
2000,6=1990/98; 2001,10=1990/99 von: European Community and member states greenhouse gas emission trends
2002,7=1990/2000 von: Greenhouse gas emission trends and projections in Europe (ISSN: 1725-9177)
2003,4=1990/2000 von: Air pollution in Europe (ISSN: 1725-9177)
