Sirius (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sirius" in Portuguese language version.

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1books.google.com

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books.google.com

Wendorf, Fred; Schild, Romuald (2001). Holocene Settlement of the Egyptian Sahara: Volume 1, The Archaeology of Nabta Plain (Google Book Search preview). [S.l.]: Springer. p. 500. ISBN 0306466120. Consultado em 16 de maio de 2008

doi.org

dx.doi.org

Bond, Howard E.; et al. (maio de 2017). «The Sirius System and Its Astrophysical Puzzles: Hubble Space Telescope and Ground-based Astrometry». The Astrophysical Journal. 840 (2): artigo 70, 17 pp. Bibcode:2017ApJ...840...70B. doi:10.3847/1538-4357/aa6af8

harvard.edu

ui.adsabs.harvard.edu

Bond, Howard E.; et al. (maio de 2017). «The Sirius System and Its Astrophysical Puzzles: Hubble Space Telescope and Ground-based Astrometry». The Astrophysical Journal. 840 (2): artigo 70, 17 pp. Bibcode:2017ApJ...840...70B. doi:10.3847/1538-4357/aa6af8