Atkinson, J.W.; et al. (May 2005). "Supermassive black hole mass measurements for NGC 1300 and NGC 2748 based on HST emission-line gas kinematics". Monthly Notices of the Royal Astronomical Society. 359 (2): 504–520. arXiv:astro-ph/0502573. Bibcode:2005astro.ph..2573A. doi:10.1111/j.1365-2966.2005.08904.x.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Atkinson, J.W.; et al. (May 2005). "Supermassive black hole mass measurements for NGC 1300 and NGC 2748 based on HST emission-line gas kinematics". Monthly Notices of the Royal Astronomical Society. 359 (2): 504–520. arXiv:astro-ph/0502573. Bibcode:2005astro.ph..2573A. doi:10.1111/j.1365-2966.2005.08904.x.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
harvard.edu
adsabs.harvard.edu
Atkinson, J.W.; et al. (May 2005). "Supermassive black hole mass measurements for NGC 1300 and NGC 2748 based on HST emission-line gas kinematics". Monthly Notices of the Royal Astronomical Society. 359 (2): 504–520. arXiv:astro-ph/0502573. Bibcode:2005astro.ph..2573A. doi:10.1111/j.1365-2966.2005.08904.x.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)