نجم-OB (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "نجم-OB" in Arabic language version.

refsWebsite

Global rank Arabic rank

1web.archive.org

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doi.org

Strömgren, Bengt (1939). "The Physical State of Interstellar Hydrogen". The Astrophysical Journal (بالإنجليزية). 89: 526–547. Bibcode:1939ApJ....89..526S. DOI:10.1086/144074.

esa.int

rssd.esa.int

"OB Associations" (PDF) (بالإنجليزية). GAIA: Composition, Formation and Evolution of the Galaxy. 6 Apr 2000. Archived from the original (PDF) on 2016-03-03.

harvard.edu

ui.adsabs.harvard.edu

Strömgren, Bengt (1939). "The Physical State of Interstellar Hydrogen". The Astrophysical Journal (بالإنجليزية). 89: 526–547. Bibcode:1939ApJ....89..526S. DOI:10.1086/144074.

web.archive.org

"OB Associations" (PDF) (بالإنجليزية). GAIA: Composition, Formation and Evolution of the Galaxy. 6 Apr 2000. Archived from the original (PDF) on 2016-03-03.