Columbia subject headings:
Dark matter (Astronomy)--Congresses.
Galaxies--Evolution--Congresses.
Galaxies--Formation--Congresses.
Harvard subject headings:
Dark matter (Astronomy)--Congresses
Galaxies--Evolution--Congresses
Galaxies--Formation--Congresses
Princeton subject headings:
Dark matter (Astronomy)--Congresses.
Galaxies--Evolution--Congresses.
Galaxies--Formation--Congresses.