VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'FIRST "Winged" and X-shaped radio source candidates. II. New redshifts.' (bibcode: 2009ApJS..181..548C)
Cheung, C. C. (Contributor), Healey, S. E. (Contributor), Landt, H. (Contributor), Verdoes Kleijn, G. (Contributor), Jordán, A. (Contributor) (31-dec.-2009). X-shaped radio sources. II. New redshifts. Strasbourg Astronomical Data Center. 10.26093/cds/vizier.21810548