Johnston, K. G.; Shepherd, D. S.; Robitaille, T. P.; Wood, K. (2013). "The standard model of low-mass star formation applied to massive stars: a multi-wavelength picture of AFGL 2591". Astronomy & Astrophysics. Cilt 551. ss. A43,1-23. arXiv:1212.1719 $2. Bibcode:2013A&A...551A..43J. doi:10.1051/0004-6361/201219657.
Johnston, K. G.; Shepherd, D. S.; Robitaille, T. P.; Wood, K. (2013). "The standard model of low-mass star formation applied to massive stars: a multi-wavelength picture of AFGL 2591". Astronomy & Astrophysics. Cilt 551. ss. A43,1-23. arXiv:1212.1719 $2. Bibcode:2013A&A...551A..43J. doi:10.1051/0004-6361/201219657.
Johnston, K. G.; Shepherd, D. S.; Robitaille, T. P.; Wood, K. (2013). "The standard model of low-mass star formation applied to massive stars: a multi-wavelength picture of AFGL 2591". Astronomy & Astrophysics. Cilt 551. ss. A43,1-23. arXiv:1212.1719 $2. Bibcode:2013A&A...551A..43J. doi:10.1051/0004-6361/201219657.