Classification
GAN - Geosciences - mathematical methods, computer applications
15
GBA - General geology, historical geology
12
GAA - Geosciences - reference books
7
GKK - Geophysics - applications
6
GMAD - Organic geochemistry
5
GPA - Geobiology - general
5
GRA - Meteorology
5
UMV - Climatic change
5
GBE - Geology - endogene processes, exogene processes
4
GKAA - Earth crust, earth mantle, earth core
4
GRAD - Earth atmosphere, weather
4
GVA - Oceanography
4
URA - Soil chemistry
4
CTL - Thermal analysis
3
D - Computer sciences
3
FMW - Rare earth materials
3
GBAA - Geology - textbooks
3
GCA - Regional geology
3
GCAC - Regional geology - noneuropean countries
3
GFA - Mineralogy - general
3
GHMA - Clay, shale
3
GRBA - Climatology - general
3
UMA - Atmospheric sciences
3
UMC - Atmospheric physics
3
AXZ - Atlasses
2
CBB - Inorganic chemistry - comprehensive works
2
DOW - Programming language - LABVIEW, MATLAB
2
DYK - Image processing
2
GBAH - Stratigraphy, history of earth
2
GBEK - Plate tectonics, continental drift
2
GDA - Engineering geology - general
2
GHH - Sedimentary petrography - general
2
GHHD - Sedimentary transport, sedimentation
2
GHM - Sedimentary rocks
2
GKAF - Geomagnetism
2
GMA - Geochemistry - general
2
GMAB - Hydrogeochemistry
2
GMAC - Isotope geochemistry
2
GMK - Geochemistry of elements, minerals, rocks
2
GNA - Geology - soil sciences
2
GRB - Climatology
2
GSC - Remote sensing
2
GTAP - Hydrological investigation methods
2
LCL - Biotopes, ecosystems
2
UCEB - Environmental pollution
2
UMB - Atmospheric chemistry
2
UMD - Atmospheric models
2
UPVC - Groundwater
2
UXA - Environmental radioactivity
2
UXAL - Radioisotopes in soil and groundwater
2
more ...