Tham khảo Vulcanoid

  1. ↑ Drobyshevskii, E. M. (1992). "Impact Avalanche Ejection of Silicates from Mercury and the Evolution of the Mercury / Venus System". Soviet Astr. 36 (4): 436–443. Bibcode: http://adsabs.harvard.edu/abs/1992SvA....36..436D
  2. ↑ Tom Standage. The Neptune File. Harmondsworth, Middlesex, England: Allen Lane, The Penguin Press. pp. 144–149. ISBN 0-7139-9472-X.
  3. ↑ Miller, Ron (2002).Extrasolar planets.