Classification
UCS - Environmental chemistry
UCEA - Environmental impact
4
UPP - Water pollution
4
CEXG - Organic reactions - oxidation reactions
2
CMD - Photochemistry - special aspects
2
UUD - Ecotoxicology
2
UVR - Environmental aspects of halogens and halogenated hydrocarbons
2
GMAD - Organic geochemistry
1
GUAA - Geography - physical
1
TKH - Air flight, space flight
1
UCEB - Environmental pollution
1
UCG - Control of environmental pollution
1
UHK - Traffic and environment - incl. automobile exhaust gas
1
UMN - Air pollution control and measurement
1
UVT - Environmental aspects of other hazardous materials
1