A Search for Evolutionary Changes in the Periods of Five Classical Cepheid Stars: R Cru, T Cru, XZ Car, X Lac and WZ Car

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ژورنال

عنوان ژورنال: NRIAG Journal of Astronomy and Geophysics

سال: 2020

ISSN: 2090-9977

DOI: 10.1080/20909977.2019.1694764