Columbia subject headings:
Harvard subject headings:
Astronomical spectroscopy--Congresses
Atomic spectra--Congresses.
Oscillator strengths--Congresses.
Plasma astrophysics--Congresses
Plasma oscillations--Congresses.
Plasma spectroscopy--Congresses.
Princeton subject headings:
Astronomical spectroscopy--Congresses.
Atomic spectra--Congresses.
Oscillator strengths--Congresses.
Plasma astrophysics--Congresses.
Plasma oscillations--Congresses.
Plasma spectroscopy--Congresses.