Columbia subject headings:
Astronomy--Antarctica--Observations--Congresses.
Astrophysics--Antarctica--Observations--Congresses.
Harvard subject headings:
Astronomy--Antarctica--Observations--Congresses.
Astrophysics--Antarctica--Congresses.
Astrophysics--Antarctica--Observations--Congresses.
Princeton subject headings:
Astronomy--Antarctic regions--Observations--Congresses.
Astrophysics--Antarctic regions--Observations--Congresses.