Columbia subject headings:
Astronomical spectroscopy--Congresses.
Radiative transfer--Congresses.
Spectral line formation--Congresses.
Stars--Spectra--Congresses.
Harvard subject headings:
Astronomical spectroscopy--Congresses
Radiative transfer--Congresses.
Spectral line formation--Congresses.
Stars--Spectra--Congresses.
Princeton subject headings:
Astronomical spectroscopy--Congresses.
Radiative transfer--Congresses.
Spectral line formation--Congresses.
Stars--Spectra--Congresses.