Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I.; et al. Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations. Astrophysical Journal. February 2003, 583 (2): 712–726. Bibcode:2003ApJ...583..712J. arXiv:astro-ph/0210129. doi:10.1086/345430.
Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I.; et al. Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations. Astrophysical Journal. February 2003, 583 (2): 712–726. Bibcode:2003ApJ...583..712J. arXiv:astro-ph/0210129. doi:10.1086/345430.
M. L. Humason; H. S. Gates. The 1959 Palomar Supernova Search. Publications of the Astronomical Society of the Pacific. 1960, 72: 208–209. Bibcode:1960PASP...72..208H. doi:10.1086/127513.
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Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I.; et al. Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations. Astrophysical Journal. February 2003, 583 (2): 712–726. Bibcode:2003ApJ...583..712J. arXiv:astro-ph/0210129. doi:10.1086/345430.
M. L. Humason; H. S. Gates. The 1959 Palomar Supernova Search. Publications of the Astronomical Society of the Pacific. 1960, 72: 208–209. Bibcode:1960PASP...72..208H. doi:10.1086/127513.