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Howes, Louise M.; Lindegren, Lennart; Feltzing, Sofia; Church, Ross P.; Bensby, Thomas (April 23, 2018), "Estimating stellar ages and metallicities from parallaxes and broadband photometry - successes and shortcomings", Astronomy & Astrophysics, 622: A27, arXiv:1804.08321, doi:10.1051/0004-6361/201833280, ISSN0004-6361