Classification
FCBH - Crystal structure of specific substances
3
MNBC - Eigenvalue problems, matrices - numerical methods
3
MNHB - Boundary problems, eigenvalue problems of PDE - numerical methods
3
PKKI - Theory of strings
3
THF - Finite element methods - engineering aspects
3
YPB - Economy - general aspects
3
AFD - Nonprofit organizations
2
DUA - Text and document processing
2
EBA - Energy production, energy technology
2
FAAA - Crystallography - reference books
2
FAAB - Solid state physics - reference books
2
FAAD - Metallic materials - reference books
2
FLE - Superconductor materials
2
GWB - Raw materials - metals, nonmetals
2
GWBB - Raw material supply, raw material demand
2
LKRS - Biochemistry of enzymes - reactions
2
LTS - Pharmaceutical biotechnology
2
MNA - Numerical mathematics - general
2
PEJ - Laser physics, laser materials
2
PGH - Plasma diagnostics
2
PGK - Fusion plasmas, fusion research
2
PGN - Fusion technology, plasma devices
2
PKA - Elementary particles, nuclei - general
2
TBD - Microelectronics
2
TBL - VLSI
2
TEA - Electrical engineering - general
2
TGN - Control engineering
2
TNO - Nuclear reactor safety
2
UEN - Environmental economy
2
YBB - Law - general
2
YRB - Social sciences, sociology
2
ACA - Languages, dictionaries - general
1
ACE - Germanic languages, Indo-Germanic languages
1
AHF - Research and science
1
AHM - Theory of science
1
AHP - Philosophy
1
AHQ - Art and exhibitions
1
AHX - History - general
1
AMA - Education - general
1
CAV - Chemicals, chemical reagents
1
CB - Inorganic chemistry
1
CELC - Organic synthesis
1
CHGM - Physical chemistry of organic compounds - incl. physical properties
1
CHVG - Phase equilibria
1
CLA - Reaction kinetics
1
CT - Chemical methods of materials analysis
1
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
1
DGA - Computer types, plants and organization
1
DMC - Computer programs
1
DNA - Computer networks, local area networks
1
more ...