Sign In

Login

Password

Forgot Password ? Sign Up

Circumpolar star (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Circumpolar star" in English language version.

refsWebsite
Global rank English rank
3books.google.com
3rd place
3rd place

books.google.com (Global: 3rd place; English: 3rd place)

  • Ridpath, Ian (2006). Eyewitness Companions: Astronomy. Penguin. p. 148. ISBN 0756648459.
  • Karttunen, Hannu; Kröger, Pekka; Oja, Heikki; Poutanen, Markku; Donner, Karl Johan, eds. (2007). Fundamental Astronomy (5th ed.). Springer Science & Business Media. p. 19. ISBN 978-3540341444.
  • Young, Charles Augustus (1897), Uranography: A Brief Description of the Constellations Visible in the United States, with Star-maps, and Lists of Objects Observable with a Small Telescope, Ginn, pp. 9–14.