Monnier, J. D.; Millan‐Gabet, R.; Tuthill, P. G.; Traub, W. A.; Carleton, N. P.; Coude Du Foresto, V.; Danchi, W. C.; Lacasse, M. G.; Morel, S.; Perrin, G.; Porro, I. L.; Schloerb, F. P.; Townes, C. H. (2004). «High‐Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer». The Astrophysical Journal. 605: 436. Bibcode:2004ApJ...605..436M. arXiv:astro-ph/0401363. doi:10.1086/382218.
Blöcker, T.; Balega, Y.; Hofmann, K.-H.; Weigelt, G. (2001). «Bispectrum speckle interferometry observations and radiative transfer modelling of the red supergiant NML Cyg. Multiple dust-shell structures evidencing previous superwind phases». Astronomy and Astrophysics. 369: 142. Bibcode:2001A&A...369..142B. arXiv:astro-ph/0102092. doi:10.1051/0004-6361:20010095.
De Beck, E.; Decin, L.; De Koter, A.; Justtanont, K.; Verhoelst, T.; Kemper, F.; Menten, K. M. (2010). «Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles. II. CO line survey of evolved stars: Derivation of mass-loss rate formulae». Astronomy and Astrophysics. 523: A18. Bibcode:2010A&A...523A..18D. arXiv:1008.1083. doi:10.1051/0004-6361/200913771.
Johnson, Harold L.; Mendoza v., Eugenio E.; Wisniewski, Weislaw Z. (1965). «Observations of "Infrared Stars."». Astrophysical Journal. 142: 1249. Bibcode:1965ApJ...142.1249J. doi:10.1086/148393.
Monnier, J. D.; Millan‐Gabet, R.; Tuthill, P. G.; Traub, W. A.; Carleton, N. P.; Coude Du Foresto, V.; Danchi, W. C.; Lacasse, M. G.; Morel, S.; Perrin, G.; Porro, I. L.; Schloerb, F. P.; Townes, C. H. (2004). «High‐Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer». The Astrophysical Journal. 605: 436. Bibcode:2004ApJ...605..436M. arXiv:astro-ph/0401363. doi:10.1086/382218.
Blöcker, T.; Balega, Y.; Hofmann, K.-H.; Weigelt, G. (2001). «Bispectrum speckle interferometry observations and radiative transfer modelling of the red supergiant NML Cyg. Multiple dust-shell structures evidencing previous superwind phases». Astronomy and Astrophysics. 369: 142. Bibcode:2001A&A...369..142B. arXiv:astro-ph/0102092. doi:10.1051/0004-6361:20010095.
De Beck, E.; Decin, L.; De Koter, A.; Justtanont, K.; Verhoelst, T.; Kemper, F.; Menten, K. M. (2010). «Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles. II. CO line survey of evolved stars: Derivation of mass-loss rate formulae». Astronomy and Astrophysics. 523: A18. Bibcode:2010A&A...523A..18D. arXiv:1008.1083. doi:10.1051/0004-6361/200913771.
Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A.; Carpenter, J. M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E. L.; Kirkpatrick, J. D.; Light, R. M.; Marsh, K. A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W. A.; Wheelock, S.; Zacarias, N. (2003). «VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)». VizieR On-line Data Catalog: II/246. Originally published in: 2003yCat.2246....0C. 2246. Bibcode:2003yCat.2246....0C.
Johnson, Harold L.; Mendoza v., Eugenio E.; Wisniewski, Weislaw Z. (1965). «Observations of "Infrared Stars."». Astrophysical Journal. 142: 1249. Bibcode:1965ApJ...142.1249J. doi:10.1086/148393.
Monnier, J. D.; Millan‐Gabet, R.; Tuthill, P. G.; Traub, W. A.; Carleton, N. P.; Coude Du Foresto, V.; Danchi, W. C.; Lacasse, M. G.; Morel, S.; Perrin, G.; Porro, I. L.; Schloerb, F. P.; Townes, C. H. (2004). «High‐Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer». The Astrophysical Journal. 605: 436. Bibcode:2004ApJ...605..436M. arXiv:astro-ph/0401363. doi:10.1086/382218.
Blöcker, T.; Balega, Y.; Hofmann, K.-H.; Weigelt, G. (2001). «Bispectrum speckle interferometry observations and radiative transfer modelling of the red supergiant NML Cyg. Multiple dust-shell structures evidencing previous superwind phases». Astronomy and Astrophysics. 369: 142. Bibcode:2001A&A...369..142B. arXiv:astro-ph/0102092. doi:10.1051/0004-6361:20010095.
De Beck, E.; Decin, L.; De Koter, A.; Justtanont, K.; Verhoelst, T.; Kemper, F.; Menten, K. M. (2010). «Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles. II. CO line survey of evolved stars: Derivation of mass-loss rate formulae». Astronomy and Astrophysics. 523: A18. Bibcode:2010A&A...523A..18D. arXiv:1008.1083. doi:10.1051/0004-6361/200913771.