Astrophysical Journal, "A Large Structure of Galaxies at Redshift Z approximately 3 and Its Cosmological Implications", Steidel, Charles C.; Adelberger, Kurt L.; Dickinson, Mark; Giavalisco, Mauro; Pettini, Max; Kellogg, Melinda, v.492, p.428, 01/1998, doi:10.1086/305073, Bibcode:1998ApJ...492..428S
Astrophysical Journal, "A Large Structure of Galaxies at Redshift Z approximately 3 and Its Cosmological Implications", Steidel, Charles C.; Adelberger, Kurt L.; Dickinson, Mark; Giavalisco, Mauro; Pettini, Max; Kellogg, Melinda, v.492, p.428, 01/1998, doi:10.1086/305073, Bibcode:1998ApJ...492..428S