Classification
URA - Soil chemistry
10
UPTF - Organic pollutants in water
4
LCR - Ecology of microorganisms - land and water
3
UMV - Climatic change
3
GAN - Geosciences - mathematical methods, computer applications
2
GNA - Geology - soil sciences
2
LCNA - Soil microbiology
2
LWH - Agriculture - soil sciences
2
LWV - Agriculture - plant protection
2
LWW - Agriculture - transfer factors, radioagronomy
2
UCE - Environmental impact, environmental pollution
2
UPK - Water resources, water supply
2
UPN - Water protection, water quality, clean water
2
UPVF - Surface waters - streams, rivers, lakes
2
UVC - Environmental chemicals, hazardous materials - general aspects
2
CXUX - Natural products
1
GBER - Volcanism
1
GHHD - Sedimentary transport, sedimentation
1
GHM - Sedimentary rocks
1
GKAA - Earth crust, earth mantle, earth core
1
GKK - Geophysics - applications
1
GSC - Remote sensing
1
GTAP - Hydrological investigation methods
1
LAN - Biology - mathematical methods, statistics
1
LCK - Ecology - general aspects
1
LCN - Ecology - soil sciences
1
LCNC - Soil science - water transport
1
LEN - Plant physiology
1
LENI - Plant physiology - transport processes
1
LENS - Plant physiology - stress factors
1
LRH - Cytology - methods
1
LTN - Biotechnology - biodegradation
1
LWD - Agriculture - comprehensive works
1
LWE - Agriculture - general aspects
1
LWF - Agriculture - methods
1
MSD - Mathematical methods in physics
1
MWG - Simulation, Monte Carlo method, random numbers
1
UCS - Environmental chemistry
1
UMNE - Air pollution by gaseous pollutants
1
UPCE - Water chemistry
1
UPP - Water pollution
1
UPVC - Groundwater
1
USU - Waste recycling
1
UVT - Environmental aspects of other hazardous materials
1
UXW - Underground disposal of radioactive waste
1