Classification
UCG - Control of environmental pollution
11
CTD - Chemical analysis - general aspects
2
CTS - Gas chromatography
2
USGH - Contaminated sites
2
CTDP - Reagents and reference materials in analytical chemistry
1
CTV - Thin layer chromatography
1
GHHD - Sedimentary transport, sedimentation
1
TGNE - Control engineering - applications
1
UKH - Environment and power plants, industrial plants
1
UMGN - Flue gas desulfurization
1
UMN - Air pollution control and measurement
1
UPT - Water pollution control and measurement
1