Columbia subject headings:
Cosmology--Measurement--Congresses.
Galaxies--Measurement--Congresses.
Harvard subject headings:
Cosmological distances--Congresses.
Cosmology--Mathematical models--Congresses.
Galaxies--Measurement--Congresses.
Princeton subject headings:
Cosmology--Congresses.
Galaxies--Clusters--Congresses.
Large scale structure (Astronomy)--Congresses.