Columbia subject headings:
Harvard subject headings:
Atomic spectra--Congresses.
Atomic theory--Congresses.
Molecular spectra--Congresses.
Nuclear magnetic resonance, Giant--Congresses.
Solids--Spectra--Congresses.
Princeton subject headings:
Atomic spectra--Congresses.
Atomic theory--Congresses.
Molecular spectra--Congresses.
Nuclear magnetic resonance, Giant--Congresses.
Solids--Spectra--Congresses.