Classification
LCH - Ecology - methods
53
LWH - Agriculture - soil sciences
4
LWV - Agriculture - plant protection
4
LAN - Biology - mathematical methods, statistics
3
LCN - Ecology - soil sciences
3
URA - Soil chemistry
3
GNA - Geology - soil sciences
2
GPA - Geobiology - general
2
GSC - Remote sensing
2
LCK - Ecology - general aspects
2
LCP - Limnology
2
LKHE - Biochemistry - analytical methods
2
TBWB - Sensors (biological)
2
UAN - Environment - mathematical methods, computer applications
2
UCE - Environmental impact, environmental pollution
2
UCG - Control of environmental pollution
2
UCGN - Control of environmental pollution - biological methods
2
UHN - Landscape ecology
2
UHP - Protection of nature and landscape
2
UPT - Water pollution control and measurement
2
CNJ - Electrochemistry - comprehensive works
1
CTF - Chemical analytical methods
1
GBC - Paleoclimatology
1
GDAB - Rock mechanics, soil mechanics
1
GPAC - Aquatic biology - geographical aspects
1
GTAK - Hydrogeology
1
GVA - Oceanography
1
LBLG - Evolution - molecular level
1
LCL - Biotopes, ecosystems
1
LCM - Terrestrial ecology
1
LCMC - Plants - ecology
1
LCNA - Soil microbiology
1
LCO - Hydrobiology
1
LCR - Ecology of microorganisms - land and water
1
LCV - Ecology - models
1
LER - Plant physiology - ecological aspects
1
LGN - Zoology - anatomy, systematics, embryology
1
LHH - Microbiology - methods
1
LHL - Microbiology - general aspects
1
LKRG - Biochemistry of enzymes - biosynthesis
1
LOD - Genetics - comprehensive works
1
LTD - Biotechnology - comprehensive works
1
LTT - Enzyme technology, protein engineering
1
LWE - Agriculture - general aspects
1
LWF - Agriculture - methods
1
MSH - Mathematical methods in life sciences
1
UCEB - Environmental pollution
1
UCQ - Environmental technology
1
UCS - Environmental chemistry
1
UHC - Area planning and environment
1
more ...