貓眼星雲 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "貓眼星雲" in Chinese language version.

refsWebsite

Global rank Chinese rank

887^th place

966^th place

1web.archive.org

1^st place

1^st place

69^th place

254^th place

arxiv.org

HST Measurements of the Expansion of NGC Parallax Distance and Nebular Evolution (PDF). Reed D.S., Balick B., Hajian A.R. et al（1999）. [2006-08-31]. ^{[永久失效連結]}

caltech.edu

nedipac.caltech.edu

Nasa/Ipac Extragalactic Database. Results for NGC 6543. [2006-08-31]. （原始内容存档于2011-05-14）.

web.archive.org

Nasa/Ipac Extragalactic Database. Results for NGC 6543. [2006-08-31]. （原始内容存档于2011-05-14）.