Classification
GNA - Geology - soil sciences
75
URA - Soil chemistry
21
LCN - Ecology - soil sciences
13
LWH - Agriculture - soil sciences
9
GDAB - Rock mechanics, soil mechanics
2
LCH - Ecology - methods
2
AHZ - History of science and technology
1
DOL - Programming language - Python
1
GDA - Engineering geology - general
1
GKA - Geophysics - general
1
GTA - Hydrology - general
1
GTAK - Hydrogeology
1
LCNA - Soil microbiology
1
LCNC - Soil science - water transport
1
LWF - Agriculture - methods
1
LWV - Agriculture - plant protection
1
PCG - Transport theory - diffusion theory, filter processes
1
UHC - Area planning and environment
1
UHCH - Urban areas
1
UHN - Landscape ecology
1
UHP - Protection of nature and landscape
1
UVF - Environmental aspects of heavy metals and their compounds
1
UXW - Underground disposal of radioactive waste
1