NGC 4650A (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4650A" in Chinese language version.

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1web.archive.org

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caltech.edu

nedipac.caltech.edu

NASA/IPAC Extragalactic Database. Results for NGC 4650A. [2007-03-30]. （原始内容存档于2011-05-14）.

doi.org

B. C. Whitmore, D. B. McElroy, F. Schweizer. The shape of the dark halo in polar-ring galaxies. Astrophysical Journal. 1987, 314: 439–456. doi:10.1086/165077.

harvard.edu

adsabs.harvard.edu

J. L. Sérsic. Southern Peculiar Galaxies III. Zeitschrift für Astrophysik. 1967, 67: 306–311.
B. C. Whitmore, D. B. McElroy, F. Schweizer. The shape of the dark halo in polar-ring galaxies. Astrophysical Journal. 1987, 314: 439–456. doi:10.1086/165077.

web.archive.org

NASA/IPAC Extragalactic Database. Results for NGC 4650A. [2007-03-30]. （原始内容存档于2011-05-14）.