Classification
PAA - Physics - reference books
78
PLA - Astrosciences - general
3
PAD - Physics - comprehensive works
2
PCA - Thermodynamics
2
PEG - Optics
2
CHX - Chemical thermodynamics
1
EPK - Nuclear energy
1
FAA - Materials research - reference books
1
PJA - Atomic physics - general
1
PKA - Elementary particles, nuclei - general
1