Sao loại S (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sao loại S" in Vietnamese language version.

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archive.org

  • Keenan, Philip C. (1954). “Classification of the S-Type Stars”. Astrophysical Journal. 120: 484. Bibcode:1954ApJ...120..484K. doi:10.1086/145937.

doi.org

  • Keenan, Philip C. (1954). “Classification of the S-Type Stars”. Astrophysical Journal. 120: 484. Bibcode:1954ApJ...120..484K. doi:10.1086/145937.

harvard.edu

ui.adsabs.harvard.edu

  • Keenan, Philip C. (1954). “Classification of the S-Type Stars”. Astrophysical Journal. 120: 484. Bibcode:1954ApJ...120..484K. doi:10.1086/145937.