Classification
AFC - Research institutions, scientific organizations - Germany ( DFG, MPG, FHG )
62
AHC - Research and development, research politics - Germany
9
AFW - Subject oriented organizations
5
PKAE - Elementary particles, nuclei (reports)
3
AES - Universities, academies - Germany
2
AFG - Large scale research institutions (Helmholtz Centres)
2
AHA - Research and development, research politics - general
2
AAE - Popular science - general aspects
1
AQTC - Publication lists of institutions - Germany
1
AZZ - Firm index - general
1
CAH - Chemistry - history
1
CUM - Laser spectroscopy
1
HDG - Psychology, psychiatry
1
HPT - Toxicology
1
LAL - Biology - general aspects
1
LGL - Zoology - general aspects
1
PEJ - Laser physics, laser materials
1
UCE - Environmental impact, environmental pollution
1
UEG - Environmental programs and expertises
1
UXN - Radiation protection in nuclear facilities
1
YPGL - Public relations
1
YRD - Technology assessment
1
YRG - Technology transfer
1