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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 17 (1878), S. 231-231 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE VARIABLE STAR R AQUARII.-Harding notified his discovery of variability in this star in 1811, in the first volume of the Zeitschrift fiir Astronomie. The earliest attempt to determine the period appears to be that of Westphal, in the Zeitschrift fiir Astronomie, vol. iv. p. 218; he used ...
    Type of Medium: Electronic Resource
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