Classification
UEN - Environmental economy
7
UEA - Environmental policy and economy - general aspects
4
UED - Environmental policy
4
UEF - Sustainability
3
YPG - Business management
2
EHA - Renewable energy sources
1
EVA - Energy demand, energy supply - comprehensive works
1
EVN - Energy supply - future aspects
1
LCK - Ecology - general aspects
1
UAA - Environment - reference books
1
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
1
YPB - Economy - general aspects
1
YPO - Economic policy
1