Jordan, C. (1997). Cool giants and supergiants: Chromospheres and winds.
Lua i Stíl Chicago (17ú heag.)Jordan, C. Cool Giants and Supergiants: Chromospheres and Winds. 1997.
Lua MLA (9ú heag.)Jordan, C. Cool Giants and Supergiants: Chromospheres and Winds. 1997.
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