Classification
GAN - Geosciences - mathematical methods, computer applications
31
GSC - Remote sensing
30
GVA - Oceanography
29
GBH - Marine geology
22
MSB - Chaos, nonlinear dynamical systems
21
LOH - Genetics - methods
18
GRB - Climatology
15
LON - Molecular genetics
14
GUAC - Geography - cartography
13
GRBK - Climatological data
12
GNA - Geology - soil sciences
11
GCAA - Regional geology - Germany
8
GBHC - Ocean floor - sediments, morphology
7
MIC - Complex analysis
7
GCAB - Regional geology - european countries
6
GCAC - Regional geology - noneuropean countries
6
GSA - Applied geodesy
6
HBG - Molecular biology in medicine, human genetics
6
LPD - Bioinformatics
6
LWH - Agriculture - soil sciences
6
UAN - Environment - mathematical methods, computer applications
6
UMV - Climatic change
6
AXZ - Atlasses
5
GBAH - Stratigraphy, history of earth
5
GRA - Meteorology
5
GUA - Geography - general
5
HDF - Brain - anatomy, function, disorders
5
LCN - Ecology - soil sciences
5
LENB - Plant physiology - molecular biology, genetics
5
LKH - Biochemistry - methods
5
MICC - Mapping in function theory
5
MSA - Mathematical methods - general
5
DGC - Parallel and vector computers
4
DNC - Internet
4
DYK - Image processing
4
GBA - General geology, historical geology
4
GBC - Paleoclimatology
4
HCR - Imaging techniques in medicine
4
HDE - Neurology - general aspects
4
LHM - Microbiology - genetics
4
LTU - Genetic engineering
4
MID - Topology
4
UCG - Control of environmental pollution
4
UHN - Landscape ecology
4
UMC - Atmospheric physics
4
URA - Soil chemistry
4
GBAA - Geology - textbooks
3
GBEE - Isotope geology
3
GBEN - Tectonics
3
GCA - Regional geology
3
more ...