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Poretti, E. (2000). The Frequency Content of δ Scuti Stars as Determined by Photometry. У Breger, Michel; Montgomery, Michael (ред.). Delta Scuti and Related Stars, Reference Handbook and Proceedings of the 6th Vienna Workshop in Astrophysics, held in Vienna, Austria, 4–7 August 1999. ASP Conference Series. Т. 210. с. 45. arXiv:astro-ph/0002304. Bibcode:2000ASPC..210...45P.
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