Objeto de Hoag (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Objeto de Hoag" in Portuguese language version.

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A.A. Hoag (1950). «A peculiar object in Serpens». Astronomical Journal. 55. 170 páginas. Bibcode:1950AJ.....55Q.170H. doi:10.1086/106427
R.W. O'Connell; J.D. Scargle; W.L.W. Sargent (1974). «The Nature of Hoag's Object». Astrophysical Journal. 191: 61–62. Bibcode:1974ApJ...191...61O. doi:10.1086/152940

A.A. Hoag (1950). «A peculiar object in Serpens». Astronomical Journal. 55. 170 páginas. Bibcode:1950AJ.....55Q.170H. doi:10.1086/106427
R.W. O'Connell; J.D. Scargle; W.L.W. Sargent (1974). «The Nature of Hoag's Object». Astrophysical Journal. 191: 61–62. Bibcode:1974ApJ...191...61O. doi:10.1086/152940