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Beichman, C. A.; et al. (2006-03), “IRS Spectra of Solar-Type Stars: A Search for Asteroid Belt Analogs”, Astrophysical Journal639 (2): 1166-1176, Bibcode: 2006ApJ...639.1166B, doi:10.1086/499424
Casagrande, L.; et al. (2011-06), “New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey”, Astronomy & Astrophysics530: A138, Bibcode: 2011A&A...530A.138C, doi:10.1051/0004-6361/201016276