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2017NewA...55...13Y - New Astronomy, 55, 13-16 (2017)
Orbital period variations of two W UMa-type binaries: UY UMa and EF Boo.
YU Y.-X., ZHANG X.-D., HU K. and XIANG F.-Y.
Journal keyword(s):
VizieR on-line data: <Available at CDS (J/other/NewA/55.13): table2.dat table3.dat refs.dat>
Simbad objects: 2
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