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Kolobow, Craig; Sion, Edward (2011-08), “The Amazing Old Nova Q Cygni: A Far-Ultraviolet Synthetic Spectral Analysis”, Publications of the Astronomical Society of the Pacific123 (906): 892-894, Bibcode: 2011PASP..123..892K, doi:10.1086/661235
Kafka, S.; et al. (2003-09), “Spectroscopic Study of Q Cygni: Surprises from an Old Nova”, Astronomical Journal126 (3): 1472-1482, Bibcode: 2003AJ....126.1472K, doi:10.1086/377020
Peters, Christopher S.; Thorstensen, John R. (2006-05), “Spectroscopy of Five Old Novae: New or Refined Orbital Periods”, Publications of the Astronomical Society of the Pacific118 (843): 687-696, Bibcode: 2006PASP..118..687P, doi:10.1086/504641
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