Classification
UCS - Environmental chemistry
URA - Soil chemistry
9
UPT - Water pollution control and measurement
3
UCGE - Control of environmental pollution - analytical methods
2
CTON - Tracer techniques
1
GMAC - Isotope geochemistry
1
GTA - Hydrology - general
1
GTAP - Hydrological investigation methods
1
LWH - Agriculture - soil sciences
1
UCG - Control of environmental pollution
1
UENG - Cost factors of water pollution and control
1
UHN - Landscape ecology
1
UMB - Atmospheric chemistry
1
UMLN - Air pollution by other sources
1
UPCE - Water chemistry
1
UPP - Water pollution
1
UPTF - Organic pollutants in water
1
UPTK - Volatile pollutants in water
1
UPTN - Inorganic pollutants in water
1
UVC - Environmental chemicals, hazardous materials - general aspects
1