Classification
UAN - Environment - mathematical methods, computer applications
2
UCQ - Environmental technology
2
UED - Environmental policy
2
UKA - Environmental damage and energy production
2
GAN - Geosciences - mathematical methods, computer applications
1
GWA - Raw material economy, raw material policy
1
GWB - Raw materials - metals, nonmetals
1
LCQ - Marine research
1
UAX - Environment - information systems, literature guides
1
UCA - Environmental problems, man and environment - general aspects
1
UCL - Environmental research
1
UCN - Environmental education
1
UEA - Environmental policy and economy - general aspects
1
UMV - Climatic change
1
UNA - Noise pollution
1
UPN - Water protection, water quality, clean water
1
USGP - Waste treatment - other methods
1
USGT - Waste prevention
1