Classification
PAA - Physics - reference books
19
UAA - Environment - reference books
8
UAD - Environment - comprehensive works
8
UCS - Environmental chemistry
8
HBG - Molecular biology in medicine, human genetics
5
LAA - Biology - reference books
5
LMN - Molecular biophysics, biophysical chemistry
5
CTA - Chemical analysis - comprehensive works
3
CTH - Electroanalytical methods
1
CUC - Atomic spectroscopy
1
FAA - Materials research - reference books
1
MSS - System theory
1
PJA - Atomic physics - general
1
PKA - Elementary particles, nuclei - general
1
PLA - Astrosciences - general
1