Classification
PKA - Elementary particles, nuclei - general
307
PKC - Elementary particles, nuclei - general theory
64
PKR - Nuclear reactions, nuclear scattering
62
PKN - Nuclear structure
57
PKAE - Elementary particles, nuclei (reports)
56
PKB - Elementary particles, nuclei - comprehensive works
56
PKL - Elementary particles - interactions, reactions, resonances
50
PJA - Atomic physics - general
41
PKF - Elementary particles, nuclei - measuring methods and instruments
34
PKAN - Elementary particles, nuclei - nuclear data collections
29
AFG - Large scale research institutions (Helmholtz Centres)
26
PAA - Physics - reference books
26
PKG - Accelerators
25
PKNB - Properties of nuclei, nuclear energy levels
22
PKH - Neutron physics
21
PKLF - Elementary particles - specific reactions, phenomenology
17
TNA - Nuclear engineering - general
17
PAD - Physics - comprehensive works
16
PKNE - Nuclear structure - models and methods
16
PKLB - Elementary particles - specific theories, interaction models
14
PLA - Astrosciences - general
14
TNI - Reactor physics
14
AFP - Research institutions - non-Europe
13
CRC - Nuclear chemistry
13
EPK - Nuclear energy
12
MSD - Mathematical methods in physics
12
CAA - Chemistry - reference books
11
FAF - Materials research - comprehensive works
11
FHA - Materials characterization - general aspects
11
PKFD - Radiation detectors
11
PKK - Theory of fields and particles - general
11
AFW - Subject oriented organizations
10
FAAB - Solid state physics - reference books
10
P - Physics ( journals )
10
PKP - Radioactivity, electromagnetic transitions
10
PKRP - Heavy ion induced reactions and scattering
10
MNLB - Computational methods in physics
9
PBA - Quantum theory
8
PKKK - Symmetry and conservation laws
8
PKRN - Nucleon induced reactions and scattering
7
AFM - Research institutions - Europe
6
AHZ - History of science and technology
6
HCN - Nuclear medicine
6
PAE - Physics - general interest
6
TNH - Research reactors
6
TNJ - Nuclear reactor technology
6
AQTC - Publication lists of institutions - Germany
5
FANE - Computational solid state physics
5
PAM - Physics - miscellaneous topics
5
PCC - Quantum statistics, many particle problems
5
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