مقراب ولتر (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "مقراب ولتر" in Arabic language version.

refsWebsite
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ias.ac.in

  • Kulinder Pal Singh. "Techniques in X-ray Astronomy" (PDF). مؤرشف من الأصل (pdf) في 2018-05-14.

nasa.gov

imagine.gsfc.nasa.gov

web.archive.org

  • Kulinder Pal Singh. "Techniques in X-ray Astronomy" (PDF). مؤرشف من الأصل (pdf) في 2018-05-14.
  • Rob Petre. "X-ray Imaging Systems". ناسا. مؤرشف من الأصل في 2014-11-22.