Classification
PKAE - Elementary particles, nuclei (reports)
18
PKG - Accelerators
3
AFG - Large scale research institutions (Helmholtz Centres)
2
PKH - Neutron physics
2
CUKF - X-ray fluorescence analysis
1
PKGC - Particle accelerators (reports)
1
PKGF - Cyclic accelerators, storage facilities
1
PKL - Elementary particles - interactions, reactions, resonances
1
PKR - Nuclear reactions, nuclear scattering
1