NGC 2997 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 2997" in Chinese language version.

refsWebsite

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907^th place

arxiv.org

Hess K. M.; Pisano D. J.; Wilcots E. M.; Chengular J. N. Anomalous HI in NGC 2997 (PDF). [2006-11-25]. （原始内容存档 (PDF)于2019-12-15）.

NASA/IPAC Extragalactic Database. Results for NGC 2997. [2006-11-25]. （原始内容存档于2011-05-14）.

Binney, J. and Tremaine, S.: Galactic Dynamics.. Princeton University Press. [2007-04-09]. （原始内容存档于2007-04-20）.

NASA/IPAC Extragalactic Database. Results for NGC 2997. [2006-11-25]. （原始内容存档于2011-05-14）.
Hess K. M.; Pisano D. J.; Wilcots E. M.; Chengular J. N. Anomalous HI in NGC 2997 (PDF). [2006-11-25]. （原始内容存档 (PDF)于2019-12-15）.
Binney, J. and Tremaine, S.: Galactic Dynamics.. Princeton University Press. [2007-04-09]. （原始内容存档于2007-04-20）.