Classification
GMA - Geochemistry - general
119
GKA - Geophysics - general
10
GMAB - Hydrogeochemistry
6
GVA - Oceanography
6
GAN - Geosciences - mathematical methods, computer applications
4
GBA - General geology, historical geology
4
GBH - Marine geology
4
GKAB - Geothermics
4
GMAA - Geochemistry - textbooks
4
GMK - Geochemistry of elements, minerals, rocks
4
GRAD - Earth atmosphere, weather
4
UMD - Atmospheric models
3
URA - Soil chemistry
3
CR - Nuclear chemistry, radiation chemistry
2
CUW - Mass spectroscopy
2
GDA - Engineering geology - general
2
GPA - Geobiology - general
2
GRA - Meteorology
2
UCS - Environmental chemistry
2
UMB - Atmospheric chemistry
2
UPCE - Water chemistry
2
CT - Chemical methods of materials analysis
1
CTF - Chemical analytical methods
1
CUG - Photometric analysis
1
CUR - Infrared spectroscopy
1
CXRC - Natural gas
1
EFE - Petroleum geology
1
EFK - Petroleum deposits, natural gas deposits
1
GBE - Geology - endogene processes, exogene processes
1
GBEA - Geochronology
1
GBEU - Weathering
1
GBHC - Ocean floor - sediments, morphology
1
GHHM - Diagenesis
1
GHM - Sedimentary rocks
1
GMAC - Isotope geochemistry
1
GMAD - Organic geochemistry
1
GMP - Geochemical exploration
1
GNA - Geology - soil sciences
1
GSC - Remote sensing
1
GTA - Hydrology - general
1
GWB - Raw materials - metals, nonmetals
1
GWC - Ore deposits
1
LCK - Ecology - general aspects
1
LCR - Ecology of microorganisms - land and water
1
LHH - Microbiology - methods
1
LWH - Agriculture - soil sciences
1
PLA - Astrosciences - general
1
THQ - Fluid mechanics and dynamics
1
UCA - Environmental problems, man and environment - general aspects
1
UCE - Environmental impact, environmental pollution
1
more ...