Columbia subject headings:
Atomic spectroscopy--Tables.
Energy levels (Quantum mechanics)--Tables.
Spectrum analysis--Tables.
Harvard subject headings:
Atomic spectra--Tables.
Atomic spectroscopy--Tables.
Energy levels (Quantum mechanics)--Tables.
Spectrum analysis--Tables
Princeton subject headings:
Atomic spectroscopy--Tables.
Energy levels (Quantum mechanics)--Tables.
Spectrum analysis--Tables.