Classification
UUD - Ecotoxicology
100
LWV - Agriculture - plant protection
12
UCS - Environmental chemistry
12
HPT - Toxicology
8
URA - Soil chemistry
6
UVC - Environmental chemicals, hazardous materials - general aspects
6
HYE - Environmental health
5
LCN - Ecology - soil sciences
5
LAN - Biology - mathematical methods, statistics
3
LCM - Terrestrial ecology
3
LCO - Hydrobiology
3
LWH - Agriculture - soil sciences
3
UMRC - Effects of air pollution on plants and animals
3
UVCH - Accumulation in biomaterial
3
UVW - Special effects of hazardous materials
3
CTYM - Trace analysis
2
LCV - Ecology - models
2
LET - Phytopathology
2
UAM - Environmental models
2
UMB - Atmospheric chemistry
2
UPP - Water pollution
2
UVM - Environmental aspects of hydrocarbons - incl. oil
2
UVR - Environmental aspects of halogens and halogenated hydrocarbons
2
UVT - Environmental aspects of other hazardous materials
2
CTA - Chemical analysis - comprehensive works
1
CTR - Chromatography
1
CTY - Analytical problems
1
CTYH - Sampling and sample preparation in chemical analysis
1
CUA - Spectroscopy
1
FNPE - Nanostructured materials
1
GNA - Geology - soil sciences
1
HBC - Physiological chemistry, biochemistry
1
HYB - Public health, health politics
1
HYG - Occupational medicine, sports medicine
1
LCA - Ecology - reference books
1
LCH - Ecology - methods
1
LCK - Ecology - general aspects
1
LCP - Limnology
1
LCQ - Marine research
1
LEL - Botany - lower plants
1
LENB - Plant physiology - molecular biology, genetics
1
LENI - Plant physiology - transport processes
1
LER - Plant physiology - ecological aspects
1
LKH - Biochemistry - methods
1
LTN - Biotechnology - biodegradation
1
LTU - Genetic engineering
1
LVN - Food science - chemistry, analytics
1
LWVC - Plant protection
1
UAA - Environment - reference books
1
UAD - Environment - comprehensive works
1
more ...