Photometric researches : the variables SX Cassiopeiae VW Cephei - Dugan, Raymond Smith, 1878-1940; Princeton University. Observatory (Princeton N. J. : Observatory, 1933)
Přívazek k: Photometric researches. Part 1, A graphical method for obtaining the orbital elements of eclipsing variables. Part 2, The eclipsing variable RS Canun Venaticorum / by Bancroft Walker Sitterly.
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Keywords: fotometrie; proměnné hvězdy; photometry; variable stars; monografie