(714) Ulula (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "(714) Ulula" in Spanish language version.

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archive.org

harvard.edu

articles.adsabs.harvard.edu

  • Hirayama, Kiyotsugu (1922). «Families of Asteroids». Japanese Journal of Astronomy and Geophysics (en inglés) 1: 55-94. Consultado el 31 de julio de 2015. 

nasa.gov

ssd.jpl.nasa.gov