Columbia subject headings:
Astronomical spectroscopy--Congresses.
Interstellar molecules--Congresses.
Molecular astrophysics--Congresses.
Harvard subject headings:
Astronomical spectroscopy--Congresses
Interstellar molecules--Congresses.
Molecular astrophysics--Congresses.
Princeton subject headings:
Astronomical spectroscopy--Congresses.
Interstellar molecules--Congresses.
Molecular astrophysics--Congresses.