Classification
PAD - Physics - comprehensive works
9
PAE - Physics - general interest
4
PAA - Physics - reference books
2
PAK - Physics - formulae, tables
2
AAE - Popular science - general aspects
1
PAD - Physik - Handbücher
1
PCA - Thermodynamics
1
PKC - Elementary particles, nuclei - general theory
1
PLA - Astrosciences - general
1