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ubc.ca
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Gladman, Brett (October 2002). "Tracking of S/2001 U 1". University of British Columbia. Archived from the original on 25 February 2003. Retrieved 7 July 2025.
Gladman, Brett (October 2002). "Tracking of S/2001 U 1". University of British Columbia. Archived from the original on 25 February 2003. Retrieved 7 July 2025.