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  • Occultation of UCAC2 12060928 by 375 Ursula, Royal Astronomical Society of New Zealand, 27 May 2008
  • (375) Ursula, Asteroids and comets rotation curves, Raymond Poncy and Pierre Antonini (2006), Geneva Observatory
  • Asteroid Lightcurve Database (LCDB), query form (info )
  • Dictionary of Minor Planet Names, Google books
  • Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center