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@article{Marco-Gracia:162240,
      author        = "Marco-Gracia, Francisco J. and Beltrán Tapia, Francisco
                       J. and Liczbinska, Grazyna",
      title         = "{Did Premodern Wars Impact Sex Ratios at Birth? The Case
                       of 19th-Century Basque Country}",
      year          = "2025",
}