Classification
URA - Soil chemistry
15
GNA - Geology - soil sciences
5
LCN - Ecology - soil sciences
3
LWE - Agriculture - general aspects
2
UPVC - Groundwater
2
LCNA - Soil microbiology
1
LHM - Microbiology - genetics
1
LHW - Bacteria - general aspects
1
LWH - Agriculture - soil sciences
1
UCE - Environmental impact, environmental pollution
1
UCEB - Environmental pollution
1
UEG - Environmental programs and expertises
1
UPCE - Water chemistry
1
UPT - Water pollution control and measurement
1
UPTF - Organic pollutants in water
1
USGH - Contaminated sites
1
UVF - Environmental aspects of heavy metals and their compounds
1
UVT - Environmental aspects of other hazardous materials
1