Classification
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EKA - Wind energy
1
EPA - Uranium - nuclear fuel
1
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
GBAK - Paleontology
1
GBEK - Plate tectonics, continental drift
1
GCAB - Regional geology - european countries
1
GKA - Geophysics - general
1
GNA - Geology - soil sciences
1
GRA - Meteorology
1
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
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
LBL - Evolution - general
1
LCN - Ecology - soil sciences
1
LGO - Sociobiology, ethology
1
LHL - Microbiology - general aspects
1
LME - Biophysics - general aspects
1
LOD - Genetics - comprehensive works
1
LTE - Biotechnology - general aspects
1
LWV - Agriculture - plant protection
1
MAA - Mathematics - reference books
1
MEAC - Diophantine equations, diophantine approximations
1
MEAF - Algebraic number theory
1
MGAA - Foundations of geometry
1
MICB - Several variable function theory
1
MNAB - Mathematical instruments
1
PAD - Physics - comprehensive works
1
PEJ - Laser physics, laser materials
1
PKA - Elementary particles, nuclei - general
1
TBF - Semiconductor devices
1
TED - Electric power - industrial aspect
1
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