Classification
AFM - Research institutions - Europe
50
PGAE - Plasma physics (reports)
14
PKAE - Elementary particles, nuclei (reports)
6
AHE - Research and development, research politics - foreign countries
2
FAQ - Materials research - institutions, research and development
2
PKG - Accelerators
2
PKS - Spallation neutron source, spallation reactions, ESS
2
AZZ - Firm index - general
1
EPK - Nuclear energy
1
FHL - Synchrotron radiation techniques
1
PCB - Statistical physics
1
TBA - Electronic engineering - general
1
UMD - Atmospheric models
1