こぐま座流星群 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "こぐま座流星群" in Japanese language version.

refsWebsite

Global rank Japanese rank

1meteorshowersonline.com

low place

low place

1books.google.com

3^rd place

61^st place

low place

low place

books.google.com

Moore, Patrick; Rees, Robin (2011), Patrick Moore's Data Book of Astronomy (2nd ed.), Cambridge University Press, p. 275, ISBN 0-521-89935-4

imo.net

IMO Meteor Shower Calendar: Ursids (URS)

meteorshowersonline.com

Gary W. Kronk. “Observing the Ursids”. Meteor Showers Online. 2012年11月17日閲覧。