Classification
LWE - Agriculture - general aspects
99
LWH - Agriculture - soil sciences
71
URA - Soil chemistry
38
GNA - Geology - soil sciences
32
GAN - Geosciences - mathematical methods, computer applications
29
GTA - Hydrology - general
22
GTAK - Hydrogeology
19
UPVC - Groundwater
19
MWH - Statistics
14
GKK - Geophysics - applications
13
LCN - Ecology - soil sciences
12
UCS - Environmental chemistry
12
UMV - Climatic change
12
GKA - Geophysics - general
11
GSC - Remote sensing
10
UAN - Environment - mathematical methods, computer applications
10
UPT - Water pollution control and measurement
10
LWV - Agriculture - plant protection
9
UPK - Water resources, water supply
9
CAA - Chemistry - reference books
8
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
8
GTAP - Hydrological investigation methods
8
LCK - Ecology - general aspects
8
LEN - Plant physiology
8
UPN - Water protection, water quality, clean water
8
LAN - Biology - mathematical methods, statistics
7
LCNC - Soil science - water transport
7
LCR - Ecology of microorganisms - land and water
7
UPP - Water pollution
7
UUD - Ecotoxicology
7
DNA - Computer networks, local area networks
6
FEJP - Porous media, capillarity
6
LCNA - Soil microbiology
6
LENI - Plant physiology - transport processes
6
LWF - Agriculture - methods
6
UPCE - Water chemistry
6
CLP - Colloid chemistry, surface chemistry
5
DKAE - Windows
5
GRA - Meteorology
5
LER - Plant physiology - ecological aspects
5
LET - Phytopathology
5
LHH - Microbiology - methods
5
LWVC - Plant protection
5
MNLS - Computational methods - algorithms, software
5
UPTF - Organic pollutants in water
5
UPVF - Surface waters - streams, rivers, lakes
5
UVC - Environmental chemicals, hazardous materials - general aspects
5
ACE - Germanic languages, Indo-Germanic languages
4
CHA - Physical chemistry - comprehensive works
4
CUW - Mass spectroscopy
4
more ...