Classification
URA - Soil chemistry
10
UCE - Environmental impact, environmental pollution
3
UCQ - Environmental technology
2
UEG - Environmental programs and expertises
2
AEG - Official corporations - Germany
1
GNA - Geology - soil sciences
1
LHM - Microbiology - genetics
1
LTN - Biotechnology - biodegradation
1
LWH - Agriculture - soil sciences
1
UCJ - Environmental protection - general aspects
1
UCS - Environmental chemistry
1
UHC - Area planning and environment
1
UHCH - Urban areas
1
UPVC - Groundwater
1
USGH - Contaminated sites
1
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
1