Classification
GVA - Oceanography
163
GBH - Marine geology
73
GBHC - Ocean floor - sediments, morphology
34
GBAH - Stratigraphy, history of earth
12
LCQ - Marine research
10
GAN - Geosciences - mathematical methods, computer applications
9
GRA - Meteorology
9
GXAB - Polar research - antarctic region
9
GRB - Climatology
7
GBA - General geology, historical geology
6
GKA - Geophysics - general
6
GBC - Paleoclimatology
5
GBE - Geology - endogene processes, exogene processes
5
UPVN - Ocean water, coastal waters
5
GBAK - Paleontology
4
LCO - Hydrobiology
4
UMV - Climatic change
4
GSC - Remote sensing
3
GTA - Hydrology - general
3
UMB - Atmospheric chemistry
3
GAA - Geosciences - reference books
2
GBEN - Tectonics
2
GBHA - Geology of coasts, geology of estuaries
2
GDAC - Seismicity, earthquake engineering
2
GHHD - Sedimentary transport, sedimentation
2
GHHF - Sedimentary basins
2
GKAA - Earth crust, earth mantle, earth core
2
GMA - Geochemistry - general
2
GPA - Geobiology - general
2
GPAC - Aquatic biology - geographical aspects
2
GRBA - Climatology - general
2
GXA - Polar research - general
2
PAD - Physics - comprehensive works
2
UMA - Atmospheric sciences
2
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
1
AFW - Subject oriented organizations
1
CT - Chemical methods of materials analysis
1
DPA - Electronic data processing - applications
1
GBEC - Geomorphology
1
GBED - Glaciology
1
GBER - Volcanism
1
GCA - Regional geology
1
GCAA - Regional geology - Germany
1
GCAB - Regional geology - european countries
1
GCAC - Regional geology - noneuropean countries
1
GHA - Petrology - general
1
GHMA - Clay, shale
1
GKKA - Geophysical well logging
1
GKKE - Seismic exploration
1
GMAB - Hydrogeochemistry
1
more ...