Classification
UMV - Climatic change
14
UCJ - Environmental protection - general aspects
10
EHA - Renewable energy sources
9
UED - Environmental policy
8
EKA - Wind energy
2
EUA - Energy conservation - general
2
EUC - Energy conservation - civil engineering
2
EVB - Energy supply of Germany
2
EVH - Energy supply - economic growth
2
EVN - Energy supply - future aspects
2
MSS - System theory
2
UEDM - Policy of clean air
2
UKB - Environmental effects and energy
2
EAE - Energy - general
1
ENA - Energy from biomass and waste
1
EPK - Nuclear energy
1
ETC - Energy conversion
1
THD - Design and construction in mechanical engineering
1
THN - Heat exchanger
1
TNJ - Nuclear reactor technology
1
UKA - Environmental damage and energy production
1
UMN - Air pollution control and measurement
1