Classification
GNA - Geology - soil sciences
308
URA - Soil chemistry
111
LWH - Agriculture - soil sciences
63
LCN - Ecology - soil sciences
38
GTA - Hydrology - general
6
LCNC - Soil science - water transport
6
GCAA - Regional geology - Germany
5
GTAK - Hydrogeology
5
LCNA - Soil microbiology
5
GAN - Geosciences - mathematical methods, computer applications
4
GDAB - Rock mechanics, soil mechanics
4
GMAB - Hydrogeochemistry
4
LWW - Agriculture - transfer factors, radioagronomy
4
CTA - Chemical analysis - comprehensive works
3
GBA - General geology, historical geology
3
GBEC - Geomorphology
3
GHMA - Clay, shale
3
GPA - Geobiology - general
3
GSC - Remote sensing
3
LCM - Terrestrial ecology
3
UHP - Protection of nature and landscape
3
UMB - Atmospheric chemistry
3
UPVC - Groundwater
3
CB - Inorganic chemistry
2
CTYH - Sampling and sample preparation in chemical analysis
2
GCAC - Regional geology - noneuropean countries
2
GFA - Mineralogy - general
2
GHA - Petrology - general
2
GMAD - Organic geochemistry
2
GRB - Climatology
2
HYB - Public health, health politics
2
HYE - Environmental health
2
LCH - Ecology - methods
2
LCK - Ecology - general aspects
2
TGBE - Electric and electronic measurement
2
UVF - Environmental aspects of heavy metals and their compounds
2
AHZ - History of science and technology
1
AXZ - Atlasses
1
CUA - Spectroscopy
1
CXUR - Surfactants
1
DOL - Programming language - Python
1
GBEN - Tectonics
1
GBEU - Weathering
1
GDA - Engineering geology - general
1
GKA - Geophysics - general
1
GMA - Geochemistry - general
1
GMK - Geochemistry of elements, minerals, rocks
1
GRA - Meteorology
1
GTAP - Hydrological investigation methods
1
GWBA - Raw material resources, raw material reserves
1
more ...