Classification
AHP - Philosophy
1
FHTH - Hyperfine interaction in solids
1
LCM - Terrestrial ecology
1
MAD - Mathematics - comprehensive works
1
MIAB - Infinitesimal calculus, foundations and textbooks
1
MSD - Mathematical methods in physics
1
PBG - Relativity, gravitation
1
PEA - Electromagnetism
1
PKL - Elementary particles - interactions, reactions, resonances
1
UHP - Protection of nature and landscape
1