Classification
UKA - Environmental damage and energy production
EUA - Energy conservation - general
2
EWA - Energy economy
1
UCA - Environmental problems, man and environment - general aspects
1
UEA - Environmental policy and economy - general aspects
1
UED - Environmental policy
1
UKL - Environment and nuclear power
1
UMB - Atmospheric chemistry
1
UMK - Air pollution - general aspects
1
UMV - Climatic change
1