NGC 4650A (Arabic Wikipedia)

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

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arxiv.org

caltech.edu

nedipac.caltech.edu

  • "NASA/IPAC Extragalactic Database". Results for NGC 4650A. مؤرشف من الأصل في 2011-05-14. اطلع عليه بتاريخ 2007-03-30.

doi.org

harvard.edu

ui.adsabs.harvard.edu

web.archive.org

  • "NASA/IPAC Extragalactic Database". Results for NGC 4650A. مؤرشف من الأصل في 2011-05-14. اطلع عليه بتاريخ 2007-03-30.
  • Formation of polar ring galaxies, F. Bournaud, F. Combes, Observatoire de Paris, LERMA, École Normale Supérieure. Accessed on line July 10, 2008. نسخة محفوظة 23 نوفمبر 2017 على موقع واي باك مشين.