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doi.org
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Spiro, S.; Pastorello, A.; Pumo, M. L.; Zampieri, L.; Turatto, M.; Smartt, S. J.; et al, Low luminosity Type II supernovae - II. Pointing towards moderate mass precursors, Monthly Notices of the Royal Astronomical Society, April 2014, 439: 2873–2892, Bibcode:2014MNRAS.439.2873S, arXiv:1401.5426, doi:10.1093/mnras/stu156.
harvard.edu
ui.adsabs.harvard.edu
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Humason, M. L.; Kearns, C. E.; Gomes, Alercio M., The 1961 Palomar Supernova Search, Publications of the Astronomical Society of the Pacific (University of Chicago Press), June 1962, 74: 215, Bibcode:1962PASP...74..215H, JSTOR 40673847, doi:10.1086/127790.
Spiro, S.; Pastorello, A.; Pumo, M. L.; Zampieri, L.; Turatto, M.; Smartt, S. J.; et al, Low luminosity Type II supernovae - II. Pointing towards moderate mass precursors, Monthly Notices of the Royal Astronomical Society, April 2014, 439: 2873–2892, Bibcode:2014MNRAS.439.2873S, arXiv:1401.5426, doi:10.1093/mnras/stu156.
jstor.org
Humason, M. L.; Kearns, C. E.; Gomes, Alercio M., The 1961 Palomar Supernova Search, Publications of the Astronomical Society of the Pacific (University of Chicago Press), June 1962, 74: 215, Bibcode:1962PASP...74..215H, JSTOR 40673847, doi:10.1086/127790.