Classification
GBH - Marine geology
8
GMAB - Hydrogeochemistry
2
GMAD - Organic geochemistry
2
GBA - General geology, historical geology
1
GBHA - Geology of coasts, geology of estuaries
1
GBHB - Geology of continental shelves
1
GBHC - Ocean floor - sediments, morphology
1
GKA - Geophysics - general
1
GMA - Geochemistry - general
1
GRA - Meteorology
1
GXA - Polar research - general
1
UPP - Water pollution
1
UPVN - Ocean water, coastal waters
1