Classification
PLA - Astrosciences - general
PKA - Elementary particles, nuclei - general
36
PBG - Relativity, gravitation
9
PAE - Physics - general interest
8
AHZ - History of science and technology
5
PAM - Physics - miscellaneous topics
5
PGA - Plasma physics
5
PKC - Elementary particles, nuclei - general theory
5
UA - Environment - general
5
GRA - Meteorology
4
PDA - Mechanics - general
4
PKB - Elementary particles, nuclei - comprehensive works
4
TKH - Air flight, space flight
4
CRCH - Chemical effects of nuclear reactions, hot chemistry, recoil chemistry
3
GRAD - Earth atmosphere, weather
3
LCK - Ecology - general aspects
3
LKHE - Biochemistry - analytical methods
3
MSD - Mathematical methods in physics
3
PJA - Atomic physics - general
3
PKL - Elementary particles - interactions, reactions, resonances
3
UMV - Climatic change
3
AHP - Philosophy
2
ALE - Biographies of scientists and Nobel prize winners - individual
2
CRK - Application of isotopes
2
CUA - Spectroscopy
2
CUC - Atomic spectroscopy
2
EPK - Nuclear energy
2
GKA - Geophysics - general
2
GRB - Climatology
2
GRBA - Climatology - general
2
MNLB - Computational methods in physics
2
PAD - Physics - comprehensive works
2
PBA - Quantum theory
2
PEG - Optics
2
PGT - Plasma in space
2
PJB - Electronic structure of atoms
2
PKK - Theory of fields and particles - general
2
PKLP - Properties of specific particles and resonances
2
UMB - Atmospheric chemistry
2
UMD - Atmospheric models
2
AAE - Popular science - general aspects
1
AHK - Scientific work
1
ALH - Works of scientists and Nobel prize winners
1
AMA - Education - general
1
CAN - Chemistry - mathematical methods, computer applications
1
CHJ - Molecular physics, molecular structure
1
CMD - Photochemistry - special aspects
1
CMDE - Photochemical reactions
1
CMDS - Photochemical processes in nature and technology
1
CT - Chemical methods of materials analysis
1
more ...