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Continue to ChatApsidal Motion in Eccentric Eclipsing Binaries: V477 Cyg And V451 Oph - https://avesis.comu.edu.tr/publication/details/312b9147-ac96-47fd-9b76-9b8b753c59f2/apsidal-motion-in-eccentric-eclipsing-binaries-v477-cyg-and-v451-oph