Classification
GSC - Remote sensing
10
GAN - Geosciences - mathematical methods, computer applications
2
GTA - Hydrology - general
2
GTAP - Hydrological investigation methods
2
GKKC - Geoelectric methods
1
GVA - Oceanography
1
LEN - Plant physiology
1
LWD - Agriculture - comprehensive works
1
LWF - Agriculture - methods
1
TCLB - Electric waves, microwaves, Radar
1