Jacobson, R.A. (1998). «The Orbits of the Inner Uranian Satellites From Hubble Space Telescope and Voyager 2 Observations». The Astronomical Journal. 115: 1195–1199. Bibcode:1998AJ....115.1195J. doi:10.1086/300263
Dumas, Christophe; Smith, Bradford A.; and Terrile, Richard J. (2003). «Hubble Space Telescope NICMOS Multiband Photometry of Proteus and Puck». The Astronomical Journal. 126: 1080–1085. Bibcode:2003AJ....126.1080D. doi:10.1086/375909A referência emprega parâmetros obsoletos |coautor= (ajuda)
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Jacobson, R.A. (1998). «The Orbits of the Inner Uranian Satellites From Hubble Space Telescope and Voyager 2 Observations». The Astronomical Journal. 115: 1195–1199. Bibcode:1998AJ....115.1195J. doi:10.1086/300263
Dumas, Christophe; Smith, Bradford A.; and Terrile, Richard J. (2003). «Hubble Space Telescope NICMOS Multiband Photometry of Proteus and Puck». The Astronomical Journal. 126: 1080–1085. Bibcode:2003AJ....126.1080D. doi:10.1086/375909A referência emprega parâmetros obsoletos |coautor= (ajuda)