Jones, D. Heath; Read, Mike A.; Saunders, Will; Colless, Matthew; Jarrett, Tom; Parker, Quentin A.; Fairall, Anthony P.; Mauch, Thomas και άλλοι. (October 2009), «The 6dF Galaxy Survey: final redshift release (DR3) and southern large-scale structures», Monthly Notices of the Royal Astronomical Society399 (2): 683–698, doi:10.1111/j.1365-2966.2009.15338.x
D. A., Gadotti; S., dos Anjos (September 2001), «Homogenization of the Stellar Population along Late-Type Spiral Galaxies», The Astronomical Journal122 (3): 1298–1318, doi:10.1086/322126