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1999
Modelling and mapping of degradation of built environment from available data and GIS based information tools. Umwelt-bundesamt. Texte 24/99
1999
Trends in environmental data during 8 years of the UN/ECE materials programme. Umwelt- bundesamt. Texte 24/99
1999
Status of current activities on emissions inventories for organic and inorganic toxic compounds in Europe. WMO Global Atmosphere Watch, 136
1999
1999
1999
1999