Classification
AFG - Large scale research institutions (Helmholtz Centres)
AQTC - Publication lists of institutions - Germany
61
FAQ - Materials research - institutions, research and development
44
AHF - Research and science
37
PKA - Elementary particles, nuclei - general
18
AFW - Subject oriented organizations
13
AHZ - History of science and technology
10
AHC - Research and development, research politics - Germany
7
LTD - Biotechnology - comprehensive works
7
PKAE - Elementary particles, nuclei (reports)
7
LMN - Molecular biophysics, biophysical chemistry
5
UEG - Environmental programs and expertises
4
YPD - Business economics
4
FAH - Materials research - general aspects
3
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
2
AHX - History - general
2
AXD - Local studies
2
DPA - Electronic data processing - applications
2
EHA - Renewable energy sources
2
FHL - Synchrotron radiation techniques
2
FHN - Neutron scattering
2
LKH - Biochemistry - methods
2
LMH - Biophysics - methods
2
LTE - Biotechnology - general aspects
2
PJA - Atomic physics - general
2
PKL - Elementary particles - interactions, reactions, resonances
2
THD - Design and construction in mechanical engineering
2
UCL - Environmental research
2
YPG - Business management
2
AEG - Official corporations - Germany
1
AFK - Research institutions - Germany
1
ALE - Biographies of scientists and Nobel prize winners - individual
1
AMAB - Industrial training, further education
1
CLG - Catalysis - surveys, general aspects
1
CWSW - Membrane separation process
1
DWI - Information management
1
EAD - Energy - comprehensive works
1
EBA - Energy production, energy technology
1
FGN - Nanotechnology
1
FGP - Nanoelectronics
1
FLG - Superconductivity application
1
HAE - Popular medicine
1
HTE - Oncology - general
1
LTA - Biotechnology - reference books
1
LTR - Bioreactor technology, fermentation
1
LTT - Enzyme technology, protein engineering
1
PGN - Fusion technology, plasma devices
1
PKGC - Particle accelerators (reports)
1
PKGF - Cyclic accelerators, storage facilities
1
THA - Mechanical engineering - general
1
more ...