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@ebook{           Pirennea,
  Author        = "Pirenne, Henri",
  date-added    = "2020-04-10 11:05:14 +0200",
  date-modified = "2020-04-10 11:05:14 +0200",
  Keywords      = "history",
  Publisher     = "Laterza",
  Title         = "Le Citta` del Medioevo",
  Year          = "1995",
  File          = "Le Citta` del Medioevo - Pirenne (0) (0) (0) - a - a - a.pdf"
}

@ebook{ Pirennea, Author = "Pirenne, Henri", date-added = "2020-04-10 11:05:14 +0200", date-modified = "2020-04-10 11:05:14 +0200", Keywords = "history", Publisher = "Laterza", Title = "Le Cittadel Medioevo", Year = "1995", File = "Le Citta del Medioevo - Pirenne (0) (0) (0) - a - a - a.pdf" }