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\bibitem{3351} Joana Maria Pujadas-Mora, Alicia Fornes, Josep Llados, Gabriel Brea-Martinez and Miquel Valls-Figols. 2019. The Baix Llobregat (BALL) Demographic Database, between Historical Demography and Computer Vision (nineteenth{\textendash}twentieth centuries. \textit{Nominative Data in Demographic Research in the East and the West: monograph}.29--61.

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