D. J. Majaess, D. G. Turner, D. J. Lane (2009). Characteristics of the Galaxy according to Cepheids. Monthly Notices of the Royal Astronomical Society, Volume 398, Issue 1, September 2009, Pages 263–270, https://doi.org/10.1111/j.1365-2966.2009.15096.xacademic.oup.com
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academic.oup.com
D. J. Majaess, D. G. Turner, D. J. Lane (2009). Characteristics of the Galaxy according to Cepheids. Monthly Notices of the Royal Astronomical Society, Volume 398, Issue 1, September 2009, Pages 263–270, https://doi.org/10.1111/j.1365-2966.2009.15096.xacademic.oup.com