VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'Quasars as absorption probes of the J0053+1234 region.' (bibcode: 2004AJ....128..544M)
McIntosh, D. H. (Creator), Impey, C. D. (Creator), Petry, C. E. (Creator) (2005). UBRI Photometry of Quasars. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.51280544