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Period analysis of three close binary systems: TW And, TT Her and W UMi |
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| Authors: | J M Kreiner T Pribulla J Tremko G S Stachowski B Zakrzewski |
| Institution: | Mt. Suhora Observatory, Kraków Pedagogical University, Podchorazych 2, 30-084 Kraków, Poland;Astronomical Institute of the Slovak Academy of Sciences, 059 60 TatranskáLomnica, The Slovak Republic |
| Abstract: | |
| Keywords: | binaries: eclipsing |