Classification
URA - Soil chemistry
3
ACE - Germanic languages, Indo-Germanic languages
2
GTAK - Hydrogeology
2
LET - Phytopathology
2
LWH - Agriculture - soil sciences
2
UPK - Water resources, water supply
2
UPN - Water protection, water quality, clean water
2
CHA - Physical chemistry - comprehensive works
1
CTA - Chemical analysis - comprehensive works
1
CTS - Gas chromatography
1
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
1
CUW - Mass spectroscopy
1
CWE - Chemical engineering, chemical industry - general
1
DKAE - Windows
1
DNC - Internet
1
DUA - Text and document processing
1
GBA - General geology, historical geology
1
GBE - Geology - endogene processes, exogene processes
1
GKA - Geophysics - general
1
GKKD - Gravimetry
1
GNA - Geology - soil sciences
1
GPA - Geobiology - general
1
GRA - Meteorology
1
GSC - Remote sensing
1
GUA - Geography - general
1
LEN - Plant physiology
1
LHH - Microbiology - methods
1
LTH - Biotechnology - methods
1
LTN - Biotechnology - biodegradation
1
LWE - Agriculture - general aspects
1
LWF - Agriculture - methods
1
MNBA - Linear algebraic equations - numerical methods
1
UPT - Water pollution control and measurement
1
UPTF - Organic pollutants in water
1
UPTN - Inorganic pollutants in water
1
UPVC - Groundwater
1
UVF - Environmental aspects of heavy metals and their compounds
1
UXL - Radiation protection - general aspects
1
YEF - Law on hazardous materials
1
YPGE - Human resource planning, human resource management
1