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Ioanna Leonidaki; Andreas Zezas & Panayotis Boumis (2010). "A multiwavelength study of Supernova Remnants in six nearby galaxies. I: Detection of new X–ray selected Supernova Remnants with Chandra". The Astrophysical Journal. 725 (1): 842–867. arXiv:1009.0525. Bibcode:2010ApJ...725..842L. doi:10.1088/0004-637X/725/1/842. S2CID119112246.
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Ioanna Leonidaki; Andreas Zezas & Panayotis Boumis (2010). "A multiwavelength study of Supernova Remnants in six nearby galaxies. I: Detection of new X–ray selected Supernova Remnants with Chandra". The Astrophysical Journal. 725 (1): 842–867. arXiv:1009.0525. Bibcode:2010ApJ...725..842L. doi:10.1088/0004-637X/725/1/842. S2CID119112246.
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Ioanna Leonidaki; Andreas Zezas & Panayotis Boumis (2010). "A multiwavelength study of Supernova Remnants in six nearby galaxies. I: Detection of new X–ray selected Supernova Remnants with Chandra". The Astrophysical Journal. 725 (1): 842–867. arXiv:1009.0525. Bibcode:2010ApJ...725..842L. doi:10.1088/0004-637X/725/1/842. S2CID119112246.