Classification
GXAB - Polar research - antarctic region
23
GVA - Oceanography
10
GBAK - Paleontology
3
GRB - Climatology
3
LCO - Hydrobiology
3
GBEK - Plate tectonics, continental drift
2
GBHC - Ocean floor - sediments, morphology
2
LCQ - Marine research
2
UMB - Atmospheric chemistry
2
GBAH - Stratigraphy, history of earth
1
GBED - Glaciology
1
GBH - Marine geology
1
GHHD - Sedimentary transport, sedimentation
1
GKA - Geophysics - general
1
GRBA - Climatology - general
1
GUAA - Geography - physical
1
GXA - Polar research - general
1
UMNC - Air pollution control by chemical analytical methods
1
UXL - Radiation protection - general aspects
1