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Message * Articles On F-type Subgiants, including Procyon, Beta Cassiopeiae, Rho Sagittarii, Xi Scorpii, Delta Serpentis, Epsilon Sculptoris, Alpha Trianguli, Iota Trianguli Australis, Kappa Tucanae, Lambda Tucanae, Theta Ursae Majoris - 1243260998 - 9781243260994