Classification
UED - Environmental policy
74
UMV - Climatic change
11
YEA - Environmental law
4
UCA - Environmental problems, man and environment - general aspects
3
UEA - Environmental policy and economy - general aspects
3
UEF - Sustainability
3
UEN - Environmental economy
3
GDA - Engineering geology - general
1
GWA - Raw material economy, raw material policy
1
MWE - Decision theory, game theory
1
UCG - Control of environmental pollution
1
UCN - Environmental education
1
UEDH - Policy of nonproliferation
1
UEDM - Policy of clean air
1
UKA - Environmental damage and energy production
1
YDG - Tax legislation
1
YPG - Business management
1
YPO - Economic policy
1