NGC 4013 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4013" in Chinese language version.

refsWebsite
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arxiv.org

caltech.edu

nedipac.caltech.edu

doi.org

harvard.edu

simbad.harvard.edu

  • SIMBAD. Results for NGC 4013. [2009-12-25]. (原始内容存档于2020-01-04). 

ui.adsabs.harvard.edu

cbat.eps.harvard.edu

  • List of Supernovae. Harvard-Smithsonian Center for Astrophysics (IAU). [2010-07-14]. (原始内容存档于2020-05-12). 

iop.org

stacks.iop.org

semanticscholar.org

api.semanticscholar.org

web.archive.org

worldcat.org