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@Book{            Siegfried,
  Author        = "Siegfried, Tom",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:27 +0200",
  Keywords      = "popular science",
  Title         = "A Beautiful Math - John Nash, Game Theory, and the modern quest for a code of nature",
  Year          = "2006",
  File          = "A Beautiful Math - John Nash, Game Theory, and the modern quest for a code of nature - Siegfried (0) (0) - a - a.pdf"
}

@Book{ Siegfried, Author = "Siegfried, Tom", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:27 +0200", Keywords = "popular science", Title = "A Beautiful Math - John Nash, Game Theory, and the modern quest for a code of nature", Year = "2006", File = "A Beautiful Math - John Nash, Game Theory, and the modern quest for a code of nature - Siegfried (0) (0) - a - a.pdf" }