Classification
UMB - Atmospheric chemistry
18
UMNC - Air pollution control by chemical analytical methods
4
UMC - Atmospheric physics
2
CMDS - Photochemical processes in nature and technology
1
CTF - Chemical analytical methods
1
CTYM - Trace analysis
1
CUM - Laser spectroscopy
1
GRAD - Earth atmosphere, weather
1
UCGE - Control of environmental pollution - analytical methods
1
UMN - Air pollution control and measurement
1
UVR - Environmental aspects of halogens and halogenated hydrocarbons
1