Classification
GBH - Marine geology
4
GVA - Oceanography
3
GXA - Polar research - general
2
GCA - Regional geology
1
GHHD - Sedimentary transport, sedimentation
1
GHHF - Sedimentary basins
1
GKA - Geophysics - general
1
GXAA - Polar research - arctic region
1
GXAB - Polar research - antarctic region
1
LCQ - Marine research
1