Schaaf Fred. (2008). The Brightest Stars: Discovering the Universe through the Sky's Most Brilliant Stars. New Jersey: John Wiley & Sons.
Styl ChicagoSchaaf Fred. The Brightest Stars: Discovering the Universe Through the Sky's Most Brilliant Stars. New Jersey: John Wiley & Sons, 2008.
Citace podle MLASchaaf Fred. The Brightest Stars: Discovering the Universe Through the Sky's Most Brilliant Stars. New Jersey: John Wiley & Sons, 2008.
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