Classification
UMB - Atmospheric chemistry
3
CUM - Laser spectroscopy
2
UMN - Air pollution control and measurement
2
UMNC - Air pollution control by chemical analytical methods
2
UMNG - Air pollution by solid pollutants - incl. smog
2
CUUP - ESR spectroscopy, hyperfine interaction
1
UMG - Technology of clean air
1
UMK - Air pollution - general aspects
1