Classification
TEJ - Electric devices, mechanical devices, magnets, dielectrics
213
FKG - Magnetic materials
9
FJB - Electric materials
6
CNWK - Electric batteries
5
EHA - Renewable energy sources
5
PKG - Accelerators
4
TAT - Engineering Standards
4
EBA - Energy production, energy technology
3
FJLB - Physics of semiconductor devices
3
FKA - Magnetism - general aspects
3
TBT - Optoelectronics, optical fibers, displays
3
TEK - Electric experiments, reliability and technology
3
TGBE - Electric and electronic measurement
3
THA - Mechanical engineering - general
3
CNW - Electrochemical energy production and conversion
2
DHA - Computer equipment and periphery
2
FJBC - Dielectric materials
2
FKGD - Specific magnetic materials
2
FLGM - Superconducting magnets
2
PKA - Elementary particles, nuclei - general
2
PKFB - Particle sources, targets
2
TBF - Semiconductor devices
2
TEA - Electrical engineering - general
2
TEF - Electric machines, electric cables
2
THD - Design and construction in mechanical engineering
2
THE - Computer aided design and engineering (CAD)
2
THQ - Fluid mechanics and dynamics
2
TKB - Civil engineering - buildings
2
CNJ - Electrochemistry - comprehensive works
1
CNRO - Electrode processes
1
ETA - Energy storage
1
ETC - Energy conversion
1
ETF - Fuel cells - general
1
FAO - Materials science - introductions
1
FAP - Advanced materials - development and applications
1
FAQ - Materials research - institutions, research and development
1
FFPG - Multilayer systems, quantum structures
1
FGK - Thin film technology, epitaxy
1
FGM - Microelectronic technology
1
FJBE - Ferroelectric materials
1
FJCK - Electrical conduction in solid materials
1
FJEG - Organic semiconductors, one dimensional conductors
1
FKGM - Magnetic films
1
FLG - Superconductivity application
1
FLGD - Superconducting devices, circuits
1
FMA - Metals, alloys - general (reports)
1
FNK - Plastics - application, engineering aspects
1
FPUG - Special purpose coatings
1
PBA - Quantum theory
1
PEA - Electromagnetism
1
more ...