Classification
UCS - Environmental chemistry
7
URA - Soil chemistry
4
UPTF - Organic pollutants in water
3
LWV - Agriculture - plant protection
2
UUD - Ecotoxicology
2
LCV - Ecology - models
1
UAM - Environmental models
1
UPN - Water protection, water quality, clean water
1
UPP - Water pollution
1
UVC - Environmental chemicals, hazardous materials - general aspects
1