Classification
GNA - Geology - soil sciences
URA - Soil chemistry
29
LCN - Ecology - soil sciences
8
LWH - Agriculture - soil sciences
5
CTA - Chemical analysis - comprehensive works
1
CTYH - Sampling and sample preparation in chemical analysis
1
GBEN - Tectonics
1
GCAA - Regional geology - Germany
1
GDAB - Rock mechanics, soil mechanics
1
GMAD - Organic geochemistry
1
HYB - Public health, health politics
1
HYE - Environmental health
1
LCH - Ecology - methods
1
LCNA - Soil microbiology
1
LCV - Ecology - models
1
UCEB - Environmental pollution
1
UHC - Area planning and environment
1
UHCH - Urban areas
1
UHN - Landscape ecology
1
UHP - Protection of nature and landscape
1
UUD - Ecotoxicology
1
UVC - Environmental chemicals, hazardous materials - general aspects
1
UVF - Environmental aspects of heavy metals and their compounds
1
UVW - Special effects of hazardous materials
1
UXW - Underground disposal of radioactive waste
1