Classification
GMAB - Hydrogeochemistry
GTA - Hydrology - general
2
GAN - Geosciences - mathematical methods, computer applications
1
GBA - General geology, historical geology
1
GBC - Paleoclimatology
1
GHHD - Sedimentary transport, sedimentation
1
GMA - Geochemistry - general
1
GMAC - Isotope geochemistry
1
GVA - Oceanography
1
UPK - Water resources, water supply
1
UPVC - Groundwater
1