Casagrande, L.; Schönrich, R.; Asplund, M.; Cassisi, S.; Ramírez, I.; Meléndez, J.; Bensby, T.; Feltzing, S. (June 2011). “New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey”. Astronomy and Astrophysics530: A138. arXiv:1103.4651. Bibcode: 2011A&A...530A.138C. doi:10.1051/0004-6361/201016276.
Casagrande, L.; Schönrich, R.; Asplund, M.; Cassisi, S.; Ramírez, I.; Meléndez, J.; Bensby, T.; Feltzing, S. (June 2011). “New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey”. Astronomy and Astrophysics530: A138. arXiv:1103.4651. Bibcode: 2011A&A...530A.138C. doi:10.1051/0004-6361/201016276.
Knobel., E. B. (1895). “On a Catalogue of Stars in the Calendarium of Mohammad Al Achasi Al Mouakket”. Monthly Notices of the Royal Astronomical Society55 (8): 429-438. doi:10.1093/mnras/55.8.429. ISSN0035-8711.
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Casagrande, L.; Schönrich, R.; Asplund, M.; Cassisi, S.; Ramírez, I.; Meléndez, J.; Bensby, T.; Feltzing, S. (June 2011). “New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey”. Astronomy and Astrophysics530: A138. arXiv:1103.4651. Bibcode: 2011A&A...530A.138C. doi:10.1051/0004-6361/201016276.
Knobel., E. B. (1895). “On a Catalogue of Stars in the Calendarium of Mohammad Al Achasi Al Mouakket”. Monthly Notices of the Royal Astronomical Society55 (8): 429-438. doi:10.1093/mnras/55.8.429. ISSN0035-8711.