Classification
AMA - Education - general
9
AHF - Research and science
5
AHE - Research and development, research politics - foreign countries
3
AFK - Research institutions - Germany
2
AFM - Research institutions - Europe
2
AFG - Large scale research institutions (Helmholtz Centres)
1
AHA - Research and development, research politics - general
1
AHC - Research and development, research politics - Germany
1
AHM - Theory of science
1
EAD - Energy - comprehensive works
1
FAQ - Materials research - institutions, research and development
1
TNJ - Nuclear reactor technology
1
YRAF - Equal opportunities
1
ZBECA - Circulation
1