NGC 4650A (Vietnamese Wikipedia)

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

refsWebsite

Global rank Vietnamese rank

18^th place

24^th place

887^th place

588^th place

2^nd place

2^nd place

69^th place

100^th place

arxiv.org

Formation of polar ring galaxies, F. Bournaud, F. Combes, Observatoire de Paris, LERMA, École Normale Supérieure. Accessed on line July 10, 2008.

caltech.edu

nedipac.caltech.edu

“NASA/IPAC Extragalactic Database”. Results for NGC 4650A. Truy cập ngày 30 tháng 3 năm 2007.

doi.org

B. C. Whitmore; D. B. McElroy; F. Schweizer (1987). “The shape of the dark halo in polar-ring galaxies”. Astrophysical Journal. 314: 439–456. Bibcode:1987ApJ...314..439W. doi:10.1086/165077.

harvard.edu

ui.adsabs.harvard.edu

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