Classification
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DWID - Multimedia, hypertext
1
DYA - Artificial intelligence
1
EAE - Energy - general
1
EBA - Energy production, energy technology
1
EEA - Coal - general
1
EFA - Petroleum, natural gas
1
EIM - Solar architecture
1
EKA - Wind energy
1
EPA - Uranium - nuclear fuel
1
EPK - Nuclear energy
6
EVB - Energy supply of Germany
1
EXA - Energy policy
1
FAM - Solid state physics - general theory
1
FCA - Crystallography
1
FHCB - X-ray scattering
1
FJH - Semiconductor physics
1
FJL - Physics of solid state devices
1
FLC - Superconductivity - general aspects
1
FPQ - Surface friction, hardness, wear, lubrication
1
GBA - General geology, historical geology
6
GBAH - Stratigraphy, history of earth
3
GBAK - Paleontology
1
GBEK - Plate tectonics, continental drift
1
GCAA - Regional geology - Germany
2
GCAB - Regional geology - european countries
1
GKA - Geophysics - general
1
GNA - Geology - soil sciences
1
GRA - Meteorology
1
GRB - Climatology
3
GRBA - Climatology - general
1
GUA - Geography - general
1
GUAA - Geography - physical
1
GWBA - Raw material resources, raw material reserves
1
HAA - Medicine - reference books
1
HAE - Popular medicine
4
HBG - Molecular biology in medicine, human genetics
1
HCN - Nuclear medicine
1
HDE - Neurology - general aspects
1
HDF - Brain - anatomy, function, disorders
1
HHB - Haematology - comprehensive works
1
HJK - Clinical immunology, allergy, immunosuppression
1
HRD - Dosimetry, radiation protection - medical aspects
1
HRR - X-ray diagnostics, computer tomography
1
HWS - Surgery, anaesthesy
1
LAM - Biology - theoretical and philosophical fundamentals
4
LBL - Evolution - general
1
LCK - Ecology - general aspects
3
LCN - Ecology - soil sciences
1
LGO - Sociobiology, ethology
1
LHL - Microbiology - general aspects
1
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